10/23/2016 new driver models for direct download:1114
Pentax Optio W20 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Pentax Optio W20
Certifications for Pentax Optio W20
5 stars for Pentax Optio W20 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 10/23/2016 Updates

All drivers on are updated on daily basis.

However, a new version of Pentax Optio W20 might have been uploaded since our last site update.

Pentax Optio W20 Driver Download

Windows Compatibility for Pentax Optio W20 driver

Pentax Optio W20 Driver Details:

Pentax Optio W20 File Name:

Pentax Optio W20 Driver Version: 122Y84W-

Pentax Optio W20 ZIP Size: 124.kb

Manufacturer: Pentax

Pentax Optio W20 was fully scanned at: 10/21/2016
Scan Status: driver download scanOK

Pentax Optio W20 special revision for: Windows XP Home Edition, for home desktops and laptops 32 bit, Windows XP Media Center Edition 32 bit, Windows XP Home Edition N 32 bit, Windows 7 Ultimate 64 bit, Windows RT 64 bit, Windows XP Media Center Edition 2005 64 bit, Windows Vista Ultimate 32 bit, Windows 8 Enterprise 64 bit, Windows XP Tablet PC Edition 64 bit

Pentax Optio W20 Download Stats:

Driver Uploaded: 10/10/2016

Direct Downloads: 219
Most Recent Download: 10/20/2016
Managed Downloads: 3421
Most Recent Download: 10/20/2016
Download Mirrors: 1
Current Delay: 18 Seconds
Driver License: Free Software

Direct Download Success Stats:

Reports Issued By 203/219 Users

Success Reported By 41/203 Users

Driver Download Score68/100

Driver Installation Score68/100

Overall preformance Score70/100

Pentax Optio W20 5 Thumbs Up5Thumbs
Pentax Optio W20 1 Thumbs Down1Thumbs
Pentax Optio W20 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 3306/3421 Users

Success Reported By 3055/3306 Users

Driver Download Score88/100

Driver Installation Score96/100

Overall preformance Score95/100

Pentax Optio W20 2880 Thumbs Up2880Thumbs
Pentax Optio W20 51 Thumbs Down51Thumbs
Pentax Optio W20 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Pentax Optio W20 is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Pentax Optio W20 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Pentax Optio W20, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Pentax Optio W20 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Pentax Optio W20 disfunctions.

Scan performed on 10/23/2016, Computer: EMachines Emachines D525

Outdated or Corrupted drivers:8/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 7500/5520/5500/X58 Routing and Protocol Layer Registers Port 0 - 3426Up To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB Compact Optical Mouse (IntelliPoint)Corrupted By Pentax Optio W20
Usb Devices
Intel(R) N10/ICH7 Family USB Universal Host Controller - 27CAOutdated
Sound Cards And Media Devices
AnalogDevices SoundMAX Integrated Digital HD AudioUp To Date and Functioning
Toshiba TOSHIBA USB ISDB-T TV Tuner(x64)Up To Date and Functioning
Network Cards
Realtek Realtek RTL8188CE Wireless LAN 802.11n COMBO PCI-E NICUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
USB Compliance USB Optical Storage DeviceOutdated
ULi Intel(R) 82801DB/DBM USB 2.0 forbedret vertskontroller - 24CDCorrupted By Pentax Optio W20
Intel Intel(r) AIM External TV Encoder Driver 3Up To Date and Functioning
Nokia Nokia 5230 USB Phone ParentUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 4Up To Date and Functioning
SMSC SMSC Fast Infrared DriverUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Outdated
Video Cards
Intel Video Controller (VGA Compatible)Corrupted By Pentax Optio W20
Input Devices
KME USB-HID (Human Interface Device)Up To Date and Functioning
Port Devices
Mobile Connector Device Application Interface (COM12)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By Pentax Optio W20
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Pentax Optio W20

Scan performed on 10/23/2016, Computer: IBM 28815AU

Outdated or Corrupted drivers:9/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 82801GB/GR/GH (ICH7 Familie) Serieller ATA-Speichercontroller - 27C0Up To Date and Functioning
Mice And Touchpads
Microsoft Microsoft Express Mouse (Mouse and Keyboard Center)Outdated
Usb Devices
Advanced Micro Devices AMD USB 3.0 eXtensible Host Controller - 0096 (Microsoft)Up To Date and Functioning
Sound Cards And Media Devices
ASUS USB Mass Storage DeviceOutdated
Network Cards
VIA VIA PCI 10/100Mb Fast EthernetadapterCorrupted By Pentax Optio W20
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Ricoh Ricoh xD-Picture Card Host ControllerUp To Date and Functioning
AuthenTec TouchStrip Fingerprint SensorUp To Date and Functioning
Unibrain Texas Instruments 1394 OHCI Compliant Host ControllerUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 6Corrupted By Pentax Optio W20
Nokia S60 HandsetUp To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 1Up To Date and Functioning
ATMEL maxTouch I2C Boot Bridge Peripheral DriverCorrupted By Pentax Optio W20
Cameras, Webcams And Scanners
Canon CanoScan 3200/3200FUp To Date and Functioning
Video Cards
Intel(R) HD Graphics 4000Outdated
Input Devices
Logitech USB Human Interface DeviceOutdated
Port Devices
PROLiNK PROLiNK Voice Device (COM9)Outdated
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Pentax Optio W20 231.1981/6/201512/28/2015pentax_optio_w20-231.198.exe77kbHP NF566AA-ABU, HP KE485AA-UUZ, Compaq KJ172AA-AB4 SR5272CF, IBM 6218Z1H, HP RN657AAR-ABA a1777c, Notebook MIM2320, Compaq PX734AA-ABA a123l NA520, HP 310-1210es, HP HP ProBook 6540b, Toshiba Dynabook Qosmio D710/T5BB, IBM 26478PU, and more.
Pentax Optio W20 W2.1301.172/4/201512/30/2015pentax_optio_w20-w2.1301.17.exe159kbHP P6635c, HP P6-2155a, Gateway 710 2900330, Sony VPCW21C7E, HP EC619AA-ABY, Sony VGN-TZ47FN, HP HP ProBook 5330m, ASUS BM5220, Itautec LX202, Lenovo ThinkPad T430s, and more.
Pentax Optio W20 637362/15/201512/28/2015pentax_optio_w20-63736.exe99kbBiostar TP55, HP Compaq nx9040, Fujitsu CELSIUS W370, Toshiba Satellite C850-B820, HP 700-150ef, HP PG129AA-UUZ, NEC PC-VY17FDFER, Fujitsu FMVCE70L9, SAMSUN R610, Toshiba Satellite C850-B124, Anhoch Goliath XD605, HP 27-1015ef, Panasonic CF-29ETP20KM, IBM 2374F14, Sony VGN-NW120J, and more.
Pentax Optio W20 H81.12.1781/25/201512/27/2015bjqfs-h81.12.178.exe155kbHP NC829AAR-ABA a6857c, Packard Bell IMEDIA 9206, Samsung SQ45S70S, Intel C16, LG LB50-CC34ZL, Lenovo ThinkPad Edge E320, HP HP Compaq nw8240, Sony PCG-K35, HP P5282A-ABA 9995, Sony VGNFW463J/B, and more.
Pentax Optio W20 O70421.12/9/201512/27/2015pentax_optio_w20-o70421.1.exe213kbPanasonic CF-50MB2FDKM, Packard Bell TK36, Fujitsu FMVNA8HEC, Fujitsu FMVWMS157T, Acer Veriton Z290G, HP ED716AA-ABF w5149, Acer Veriton M-480G, ASUS P5QPL-VM, HP DW167A-ABF a425.f, HP HP Compaq nc6120, HP HP ProBook 4530s, Panasonic CF-Y5LW8AXS, HP RY873AAR-ABA a6028x, HP Presario C500, HP P9879A-ABG 713a, Toshiba TE5, and more.
Pentax Optio W20 2.1279210/1/201412/27/2015pentax_optio_w20-2.12792.exe123kbPackard Bell IMEDIA 8006, Sony VGN-SZ38TP_C, IBM 8086Y27, Lenovo 6075Y74, Panasonic CF-30KTP48NL, Foxconn Inferno Katana GTI, HP P9867A-ABM 743M, Sony VGC-JS52JB_S, Lenovo 6471EGR, NEC PC-GV32WSZE2, IBM 8184MMY, Samsung R510/P510, IBM System x3200 M3 -[732842G, HP B7G83EA#ABF, IBM 26476AG, Seneca Pro318568, IBM 25296AG, and more.
Pentax Optio W20 T1.101.11.1012/9/201412/30/2015pentax_optio_w20-t1.101.11.10.exe67kbSony VGN-NW238F, Sony VGN-SZ780U, HP HP PAVILION DV6000, Gateway T-1629, Panasonic CF-T5AC1DXS, Sony VGN-AW290Y, HP EC588AA-ABU, Clevo P15xEMx, HP P6-2393l, Compaq GC668AAR-ABA SR5110NX, and more.
Pentax Optio W20 1.16222/8/201512/29/2015pentax_optio_w20-1.1622.exe144kbASUS N81De, HP DK320A-ABA A206X, VIA VT8653-8233, Toshiba SATELLITE PRO C870-1C4, IBM IBM System x3400 M2 Server -[7837AC1, Panasonic CF-S8HYEPDR, HP VS179AA-ABH p6250nl, Fujitsu CELSIUS W380, HP 810-170st, Packard Bell IMEDIA B6363, Toshiba Dynabook T642/T8HB, Toshiba Dynabook CX/47G, HP EJ237AA-ABF w5267.f, and more.
Pentax Optio W20 X9DRL-7F, Packard Bell SPIRIT 4054, HP KE485AA-UUZ, Toshiba Dynabook SS S8/210LNSN, Lenovo ThinkPad T60, Fujitsu FMVNA8HEC, Acer Aspire X1470, Sony VGN-FW55LF_B, ZOTAC ZBOXNXS-AD11, MSI MS-9179, LG R510-S.AP87K, IBM 622133G, Standard J10IL105, IBM 81412EG, Wearnes Premiere 8550Le, NEC NEC VERSA ONE, Toshiba S2400-103, and more.
Pentax Optio W20 21.12381/21/201512/29/2015pentax_optio_w20-21.1238.exe126kbIBM 2373NG8, Sony VPCEB48FJ, Lenovo ThinkPad SL400, HP VN470AA-UUZ m9837ch, LG P1-J302E1, HP KJ381AA-A2L m9260f, HP P6563sc, Toshiba SATELLITE A300-27Z, Compaq PW505AA-ABA SR1410NX NA520, Gigabyte EP43C-DS3, HP RA964AA-AB9, and more.
Pentax Optio W20 2631.12/19/201512/29/2015pentax_optio_w20-2631.1.exe175kbLG K1-337AB1, Sony VPCEB48FJ, HP HP Pavilion dv6-6178ca, IBM IBM System x3400 M3 Server -[7379K3G, Sony VPCEB13FG, NEC PC-MY18XEZ77, Panasonic CF-19FLJC7AA, HP HP ProBook 4510s, HP GL327AA-ABF a6115.f, HP HP ProBook 6445b, Medion E1312, Sony SVS1312AJA, Panasonic CF-53JAWZYFN, Fujitsu FMVTX95SD, Sony VGN-NS21SR_S, Toshiba Dynabook T552/58HRJ, HP CQ2800EEm, and more.
Pentax Optio W20 41.1222.111/8/201412/28/2015pentax_optio_w20-41.1222.1.exe72kbPackard Bell ISTART MC 9100 AIO EU, HP P6-2370ef, Gateway 6020GZ, Acer Veriton5500G-B, Packard Bell EASYNOTE SW86, Dell OptiPlex GX1 500MTbr+, IBM IBM System x3500 M2 Server -[783932M, NEC PC-VY22SRFEJEUL, NEC PC-VT5500DE1, Sony VGN-SZ79GN_C, Lenovo ThinkPad X61, Sony SVF14N13CLS, NEC PC-GL20ES3L6, Fujitsu FMVLRD50P, HP WX217AV-ABA MS230z, Acer Extensa 5635G, Gigabyte M1028, AMD & ATI ATI RC410MD-SB460, and more.
Pentax Optio W20 2.1281.1711/15/201412/29/2015pentax_optio_w20-2.1281.17.exe75kbFujitsu FMVNB5Y3, HP HP Compaq DC5850, HP RY889AA-UUW, HP RR523AA-UUW, AnabelleB Argyle M410, IBM 80847CG, Sony SVE15128CGS, LG R380-AP6BK, HP NR043AA-ACP p6035at, Sony VGN-SZ32GP_B, NEC PC-LL750RG1B, LG R490-K.AFE3BZ, Toshiba SATELLITE C855-18G, Panasonic CF-30CWQAZBM, and more.
Pentax Optio W20 40942.112/11/201412/28/2015pentax_optio_w20-40942.1.exe176kbToshiba Satellite P20, ZEPTO Znote 6515WD, Lenovo ThinkCentre Edge 71z, IBM 6221MFG, Samsung 400B4Z/A01TH, Toshiba NB300-10D, HP D5468AT-A2L a123l, NEC PB12V00106, Clevo P15xEMx, NEC PC-VY16MEXJRFHX, Sony VGN-SR25T_P, Epson Endeavor MT8800, HP HP Compaq nw8000, and more.
Pentax Optio W20 V63909, HP 810-070ez, ADVANC Modelo_A, HCL Infosystems APM88-GS, HP BK175AA-ABA HPE-270f, HP Pavilion dv6000, Compaq DT176A-ABE S5320ES ES340, Samsung R510/P510, Supermicro X9DRW-7/iTPF, Fujitsu Amilo M1439 Series, and more.
Pentax Optio W20 2.12331.11/7/201512/29/2015pentax_optio_w20-2.12331.1.exe108kbIBM IBM System X3100 M4 -[258282J, Packard Bell IMEDIA B2501 BE, IBM 8171VRJ, WIPRO WIV37455-0798, Fujitsu FMVU90LB, IBM 841742U, HP H9-1050sc, Lenovo ThinkPad X200 Tablet, Toshiba Satellite S50-A0317, Sony VPCF13QFX, Lenovo Lenovo IdeaPad Y485, Packard Bell IMedia 8002 EU, IBM Eserver xSeries 335 -[8676LSX, HP Pav dv6521 mariner, Sony VPCW221AX, and more.
Pentax Optio W20 8294011/6/201412/29/2015pentax_optio_w20-82940.exe148kbLenovo ThinkPad L430, Fujitsu FMVXN16A2Z, Zoostorm 7010-0064E, MSI MB-7529, Compaq NC696AA-ABA SR5000, Sony VGN-G21XP_B, Compaq PC139A-ABA SR1115CL NA431, HP DT212A-ABU M487.UK, Seneca Pro329919, IBM 2389QU2, LG S1-MDGLG, Lenovo ThinkPad T60p, MSI PR420, Toshiba Dynabook T350/34BCS, HP S5-1435d, HP P7-1031, NEC PC-VG32VVZMM, and more.
Pentax Optio W20 2062.121/24/201512/28/2015pentax_optio_w20-2062.12.exe158kbIBM System x3200 M3 -[7328Z6S, Toshiba SATELLITE P50-A-14L, Fujitsu FMVNFD80N, IBM 81712EU, HP EG601AA-AB1 a1212k, NEC POWERMATE RD3911294AD, Lenovo ThinkPad T410s, NEC PC-VN570BS1YB, Itautec LX202, Lenovo ThinkPad Edge E530c, NEC PC-VL150GS, NEC PC-VN770JS3EB, and more.
Pentax Optio W20 2.121.16712/18/201412/29/2015pentax_optio_w20-2.121.167.exe82kbSony VGN-TZ47FN, MSI U4-7302, IBM IBM System x3450 79483CX, MSI MS-7360, HP PW572AA-B1U, QUANMAX WB1, Panasonic CF-30CTQAFBE, Packard Bell SPIRIT 3000, HP HP Pavilion dv9000, Compaq EC516AA-ABH SR1519NL NL530, HP PS139AA-ABX, IBM 2652GG4, LG LS75-26JLCE1, IBM 2668W9R, Sony VGC-LT1S, and more.
Pentax Optio W20 322.18710/13/201412/29/2015pentax_optio_w20-322.187.exe64kbPanasonic CF-53SAWZYMG, Sony VPCEC2RFX, Lenovo ThinkPad R400, Fujitsu LIFEBOOK S 7020, Compaq FQ552AA-ABA SR5616F, HP HP 2000-150CA Notebook PC, Acer TravelMate 250, Pegatron H24L, ASUS Z84J, Cybernet Manufacturing CyberMed N19, Toshiba Dynabook T552/36HRJ, Fujitsu FMVNFD40, LG A540-D, MCJ MCJ, NEC PC-LG17FWTGG, NEC RND51048395, HP KB020AA-ABF m9180.f, IBM EServer xSeries 365 -[88625RX, and more.
Pentax Optio W20 71.17029/30/201412/28/2015pentax_optio_w20-71.1702.exe70kbHP GN551AA-ABA m8200, I-MOBILE TPC-2A, HP PS378AA-ABN, HP 3600, Compaq Presario 734RSH US 470038-608, Lenovo 6457WTU, LG RD580-E.ADE1BF2, Toshiba SATELLITE PRO C50-A-1J1, Lenovo 7663V2L, HP ES116AA-B14, Acer Veriton S480G, and more.
Pentax Optio W20 H832.13310/21/201412/27/2015pentax_optio_w20-h832.133.exe198kbAnhoch Goliath XD605, HP 27-1015ef, Panasonic CF-29ETP20KM, IBM 2374F14, Sony VGN-NW120J, NEC PC-VJ22MAUEHTXV, IBM ThinkPad X40, Sony VGN-FW5ZRF_H, Lenovo 3000 G530 Notebook, Lenovo 2008WHV, Compaq DA255A-ABA 6401RSH NA910, HP AY024AA-ABA s5360f, and more.
Pentax Optio W20 2.129881/27/201512/27/2015pentax_optio_w20-2.12988.exe109kbIBM 268452M, HP 610-1110es, Toshiba Dynabook EX/2513CDSTB, Sony VGN-CS16G_R, HP HPE-280jp, IBM 8212A94, IBM 841742U, Lenovo ThinkCentre M58, HP G5331de, Epson Endeavor NT350, IBM 9210WLV, IBM 2724W13, NEC RND51048395, Fujitsu FMVNB14BR, HP PX643AA-ABZ, Acer C-VX2611G, and more.
Pentax Optio W20 601.10612/2/201412/28/2015pentax_optio_w20-601.106.exe25kbFujitsu FMVNFD70RC, Compaq ER043AA-UUB SR1618HL FD440, IBM 2668W9R, AT AUTOCONT ALLEGRO, Lenovo ThinkCentre M57e, SAMSUN 700Z, Panasonic CF-Y2FW7AXS, SAMSUN R509, Exper DIAMONDW-539, Gateway MX3050b, Packard Bell IMedia D3235, Sony VGN-FS750F, HP EJ210AA-ABS, LG R580-U.ARC3BT, HP HP ENVY 17 3D Notebook PC, IBM ThinkCentre A51, Fujitsu FMVLRB50P, and more.
Pentax Optio W20 2.1072310/4/201412/28/2015pentax_optio_w20-2.10723.exe32kbSony VGN-SZ38GP_C, HP 310-1125uk, Toshiba SATELLITE C55-A-128, ADVANC Modelo_A, Lenovo ThinkPad R61, Lenovo 00P5095, Fujitsu FMVNFD70RC, IBM 2374258, Sony SVT21213CXB, ASUS C90S, IBM 2673CU6, HP NQ852AA-ABH IQ830nl, HP NR043AA-ACP p6035at, and more.
Pentax Optio W20 W2.109082/24/201512/28/2015hmyczljgn-w2.10908.exe175kbLenovo ThinkPad R61, IBM 8187SYU, Sony PCG-K215S, Sony VGN-UX90PS, Fujitsu FMVXN0484Z, HP HP Pavilion DV6-3206AX, Lenovo 209022U, HP HP Compaq nc4010, IBM 2373WMV, HP 100-5158, AT ALSEN PROFI 41G, and more.
Pentax Optio W20 622.19011/6/201412/28/2015pentax_optio_w20-622.190.exe86kbASUS P5K-VM/S, NEC PC-LS150HS1KSG, NEC PC-MY30AEZ77, Panasonic CF-N9LWRJDS, IBM 686656U, Toshiba SATELLITE C850-12M, Gateway E3048, Packard Bell IMEDIA 2450, NEC PC-LS150LS1KSG, Gateway NV59C, Fujitsu FMVA42EWB, Supermicro X9DRW-7/iTPF, NEC PC-LL700ED, and more.
Pentax Optio W20 X21.12.1739/20/201412/30/2015pentax_optio_w20-x21.12.173.exe194kbPackard Bell ISTART 9112, Sony VPCCW1IGX, LG R380-AP6BK, Sony VGN-NS328J, Packard Bell EasyNote_MT85-M-008FR, HP Presario V5000, HP PY142AA-AB3 w5180d, Compaq RK531AA-ABG SR1985AN AP680, Lenovo SS09302455, HP Pavilion dv1000, Compaq EC537AA-ABZ SR1549IT IT530, Lenovo ThinkPad T400, and more.
Pentax Optio W20 B81.176210/26/201412/28/2015pentax_optio_w20-b81.1762.exe103kbHP KJ415AA-AB4 m9290d, HP D5468AT-ABA GX768AA, NEC PC-MJ29MLZ2JCSG, IBM System x3650 M4: -[7915AC1, NEC PC-VG32SVZGH, Acer A7600U, NEC PC-LL750HG3E, HP PS139AA-ABX, Sony VPCCW21FD, NEC PC-LL3509D, Lenovo ThinkStation S30, HP HP Compaq dc7600 Small Form Facto, HP 110-009el, and more.

Please Note: There are particular operating systems known to have problems with Pentax Optio W20:
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows 8 Enterprise
  • Windows XP Professional x64 Edition
  • Windows 8
  • Windows 7 Home Premium
  • Windows XP Tablet PC Edition
  • Windows Vista Business
  • Windows XP Home Edition N
  • Windows Vista Home Basic
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Pentax Optio W20 model.
Laptop Pentax Optio W20Tablet Pentax Optio W20Download Pentax Optio W20Upgrade Pentax Optio W20Update Pentax Optio W202016 Pentax Optio W20Free Pentax Optio W20Data Pentax Optio W20Info Pentax Optio W20Help Pentax Optio W20Guide Pentax Optio W20Comments Pentax Optio W20Windows 10 Pentax Optio W20Vista Pentax Optio W20Windows 7 Pentax Optio W20Install Pentax Optio W20