TODAY:

10/7/2022 +912 new drivers.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Certifications for Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
5 stars for Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2016
Our main support OS are: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit, Windows 10 32 bit, and Windows 8.

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 Driver Download

Windows Compatibility for Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 driver

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 Driver Details:

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 File Name: hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1.zip

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 Driver Version: 671r0i

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 ZIP Size: 129.kb

Manufacturer: Hp

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 was fully scanned at: 10/5/2022
Scan Status: driver download scanOK

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 now has a special edition for these Windows versions: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit,, Windows 10 32 bit, Windows 8, Windows 10 IoT 64bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32bit, Windows 10 S 64bit, Windows Vista Starter 32bit, Windows 8 64bit, Windows RT 64bit, Windows Vista Home Premium 64bit, Windows 10 Education 64bit, Windows 10 Enterprise 32bit, Windows 7 Home Premium 64bit, Windows 7 Ultimate 64bit, Windows Vista Ultimate 32bit, Windows 10 Pro Education 64bit, Windows Vista Home Premium 32bit,

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 Download Stats:

Driver Uploaded: 1/27/2019

Direct Downloads: 235
Most Recent Download: 11/21/2019
Managed Downloads: 435
Most Recent Download: 11/9/2019
Download Mirrors: 2
Current Delay: 13 Seconds
Driver License: GNU

Direct Download Success Stats:

Reports Issued By 161/235 Users

Success Reported By 153/161 Users

Driver Download Score90/100

Driver Installation Score87/100

Overall preformance Score91/100

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 198 Thumbs Up198Thumbs
Up
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 1 Thumbs Down1Thumbs
Down
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 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 347/435 Users

Success Reported By 326/347 Users

Driver Download Score93/100

Driver Installation Score92/100

Overall preformance Score94/100

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 411 Thumbs Up411Thumbs
Up
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 1 Thumbs Down1Thumbs
Down
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

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 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 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 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1, 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.
/100
/100
/100
captcha

Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 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 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 disfunctions.

Scan performed on 4/26/2019, Computer: Panasonic CF-SX1WEUHR - Windows 7 64 bit

Outdated or Corrupted drivers:6/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) 631xESB/6321ESB/3100 Chipset LPC Interface Controller - 2670Up To Date and Functioning
Mice And Touchpads
Logitech Logitech USB Marble MouseUp To Date and Functioning
Microsoft Logitech USB Wheel MouseUp To Date and Functioning
Synaptics Souris compatible PS/2Up To Date and Functioning
Usb Devices
Hewlett-Packard HP PSC 1500 series (DOT4USB)Up To Date and Functioning
Sound Cards And Media Devices
Analog Devices SoundMAX Integrated Digital AudioUp To Date and Functioning
YUAN DIB7700 DTV TunerUp To Date and Functioning
Conexant Conexant Falcon II PAL Video CaptureOutdated
Network Cards
Realtek ASUS USB-N13 300Mbps 11n Wireless USB dongleCorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Keyboards
Microsoft HID KeyboardCorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Hard Disk Controller
Ricoh Ricoh xD-Picture Card ControllerUp To Date and Functioning
Others
Nokia Nokia C6-00 USB OBEXCorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Research In Motion BlackBerryUp To Date and Functioning
Google Nexus 4Up To Date and Functioning
NEC Generic CardBus ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan LiDE 110Corrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Video Cards
ATI RADEON X300 SeriesUp To Date and Functioning
Input Devices
Eastern Times USB-HID (Human Interface Device)Corrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC Device Management (COM7)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/24/2019, Computer: Panasonic CF-S10AY6DC - Windows 7 32 bit

Outdated or Corrupted drivers:10/17

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel Xeon E3-1200/2nd Generation Intel(R) Core(TM) Processor Family PCI Express Controller - 0105Outdated
Mice And Touchpads
Microsoft Logitech USB Wheel MouseCorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Usb Devices
Microsoft Universal Serial Bus (USB) ControllerOutdated
Samsung MSM7x27Outdated
Sound Cards And Media Devices
Intel(R) High Definition Audio-apparaatUp To Date and Functioning
Network Cards
Qualcomm Atheros Atheros AR9485WB-EG Wireless Network AdapterOutdated
Keyboards
Microsoft HID KeyboardCorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Hard Disk Controller
Microsoft ULi M5229 PCI-Bus-Master-IDE-ControllerUp To Date and Functioning
Others
Lucent Lucent Win ModemUp To Date and Functioning
Unibrain OHCI Compliant IEEE 1394 Host ControllerOutdated
Point Grey Research Texas Instruments OHCI-kompatibel IEEE 1394-vertskontrollerOutdated
Cameras, Webcams And Scanners
SunplusIT HD WebcamUp To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPUp To Date and Functioning
Input Devices
KME Periferica USB Human InterfaceOutdated
Port Devices
LG LGE Bluetooth TransPort (COM5)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1
Driver ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 80962.1For Windows 7 32 bit10/10/20157/10/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-80962.1.exe171kbLG FD-223NC, TCL N700, IBM 8171ZCQ, NEC PC-MT6005A, Packard Bell IMEDIA B6363, HP K574aa-ABA a1739, HP HPE-531sc, NEC VERSAM350 NN942000802, Toshiba Dynabook T552/36FBK, ASUS BM5295, HP KN472AA-ACB a6421.ru, Compaq FJ469AA-ABM SG3308LA, HP PS512AA-ABA a815, Packard Bell EasyNote_BG45-U-002CH, Positivo POS-ECIG31BT, IBM 622138G, HP BK373AA-AB1 HPE-176k, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 83706For Windows 7 64 bit10/9/201410/22/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-83706.exe175kbSony VGN-FJ90S, Compaq PJ688AV-ABA SR1005T NA440, HP GB342AA-AB0 a6086tw, Acer Aspire 8943, IBM ThinkPad T40, VIA 7VTXH, HP Pavilion ze5400, Sony VGN-CS325J, Gateway 6020GZ, ASUS 1001PQ, Zoostorm 7010-0246A, HP Presario V2000, LG R470-KR30K, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 81.12.11.18For Windows 78/16/20167/17/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-81.12.11.18.exe50kbAcer TM6595, IBM IBM System x3200 -[7042C06, MIKROLOG S800SE-C6, Biostar GF8200C M2+, AnabelleB Argyle M300, Lenovo 20B70034SG, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 80300For Windows 101/2/201610/21/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-80300.exe103kbIBM 811314U, Sony VGN-NW120J, NEC PC-LL550KG1J, HP Pav dv6653 ares, Dell PowerEdge 4600, HP 23-c010, NEC PC-LL700GD, IBM ThinkPad X41 Tablet, IBM 622142A, Sony VGN-NS305D, Sony VGN-FW45MJ_B, Gigabyte 946GM-S2, HP HP Pavilion dv5000, Dell PowerEdge C8220, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 83971.1For Windows 10 64 bit2/16/20143/17/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-83971.1.exe72kbHP Pav dv6653 ares, IBYTE UDP GN ANDROS-I36L, Lenovo ThinkPad X60 Tablet, Sony VGN-AW220J, IBM 26478PU, HP Presario B1900, Gateway LT27, HP HPE-430it, Lenovo ThinkCentre M71e, Gateway P-6317 HSN, Hora Hora4000, IBM 622564G, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 80764For Windows 7 32 bit6/21/20141/7/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-80764.exe30kbSony PCG-GR5F_BP, HP P6622cs, IBM 26478RG, THEIS TH-P925/945G7MD-8KS2HV/1024/80/Profi-Towe, Fujitsu PRIMERGY RX300 S8, IBM 8212H1U, HP EZ090AA-ACP w5510.at, HP 3639, Toshiba SATELLITE C855-1WU, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 82328For Windows 7 64 bit1/6/20159/18/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-82328.exe206kbLG R200-D.CPF1A9, Sony VGN-AR390E, Acer Aspire AG3731, Toshiba SATELLITE PRO C870-1C4, Lenovo 6066W8R, Toshiba SATELLITE C50-A-14V, HP C9700, Shuttle SD10, Lenovo ThinkPad Edge E320, Acer C-VX2611G, Compaq Evo N620c, MEGAWARE Mage All-In-One, HP KY731AA-AKL a6784l, Toshiba Satellite T130-11U, NEC PC-VY26AEZ78, Sony VGN-A270, IBM System x3630 M3 -[7377AC1, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 8392.16For Windows 76/4/201611/6/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-8392.16.exe64kbLG 15U530-GT30K, Intel S3420GP, Fujitsu D2804-A1, HP Compaq nx9030, Haier T5B, HP BN496AV-ABA HPE-170t, Sony VGN-A197VP, Toshiba SATELLITE C855-1LC, IBM 2722M3U, Compaq PW750AA-ABF SR1428FR FR520, Sony VGN-AR11MR, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 822.101.1For Windows 109/1/20164/12/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-822.101.1.exe214kbSony PCG-GR214EP, Sony VGN-S45C_S, HP HP Compaq 8710w, Sony VGN-A270, Sony VPCF13DGX, HP HPE-367c, Samsung P580, IBM System x3200 M3 -[732842G, Fujitsu FMVNE4BD3, AT OFFICEPRO SFF, HP GU622AA-ABE m9075.es, Lenovo SS09355260, HP PY056AA-ABF w5077.f, Fujitsu FPC03050DK, Sony VGN-NR270N, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 83299For Windows 10 64 bit11/6/20154/7/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-83299.exe72kbSony SVE15128CGS, Cybernet Manufacturing DeskBook, HP HP EliteBook 8530w, HP SG3-335FR-m, HP GS407AA-ABZ a6229.it, Lenovo ThinkPad X200, LG R380-AP6BK, Fujitsu FMVS90MB, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 81.11.127For Windows 86/17/201511/2/2016hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-81.11.127.exe149kbHP KN472AA-ACB a6421.ru, Compaq FJ469AA-ABM SG3308LA, HP PS512AA-ABA a815, Packard Bell EasyNote_BG45-U-002CH, Positivo POS-ECIG31BT, IBM 622138G, HP BK373AA-AB1 HPE-176k, IBM 8183Z2C, NEC PC-MJ30XRZJDU83, Packard Bell IXtreme X9240, Panasonic CF-W2EC1AXS, Fujitsu FMVLRD50P, Fujitsu FMVA56HW, IBM ThinkPad Z60m, Compaq VN458AA-UUW CQ5210SC, IBM System x3650 M3 -[7945K4G, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 80664For Windows 7 32 bit4/12/20141/11/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-80664.exe138kbFujitsu FMVNF50WWJ, Lenovo ThinkPad X1 Carbon, Compaq FR604AA-ABF SR5529FR, IBM 187134M, Lenovo ThinkPad Edge 11, Fujitsu LifeBook A6120, Lenovo ThinkCentre A60, Compaq GN720AA-ABA SR5254X, HCL Infosystems GETZ-LD, Acer TravelMate 8531, Sony VGN-TZ250N, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 831.199For Windows 7 64 bit6/12/20153/6/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-831.199.exe117kbPackard Bell IXMM5740, LG R480-L.AGC7BT, HP HP EliteBook 8530w, Buympc MPC Compute, Fujitsu FMVXN6EG2Z, Sony VGX-TP1DTV, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 81.12.183For Windows 72/27/20162/6/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-81.12.183.exe100kbNEC PC-MY20RBZ74, HP HP Compaq 6710s, Sony VGN-CS36SJ_R, HP HP EliteBook 8530w, HP GX609AA-A2L m9160f, NEC PC-VK22EAZHB, HP KJ439AA-AB2 g3328cx, Infoquest QuestPC, Packard Bell OneTwo S3221, HP RJ788AA-ABA a1613w, Shuttle SD10, LG XNOTE, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 80846For Windows 107/19/20162/12/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-80846.exe156kbHP HP ProBook 6445b, HP EC577AA-B1U d4180.se, ARCELIK 1PF-ANB 586D1 MT, Sony VGN-TZ15AN, Samsung SM50S, Packard Bell IXTREME I7202, Dell PowerEdge R905, EMachines L4030, HP RX889AAR-ABA a6040, IBM ThinkPad Z60t, Sony VGN-CR327_W, LG X140-A.AS11B1, AT AUTOCONT ALLEGRO, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 82372For Windows 10 64 bit9/5/20151/3/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-82372.exe123kbLG R560-CR20K, Fujitsu FMVNFD50B, IBM IBM System X3100 M4 -[2582Z6H, Toshiba SATELLITE,A665, Compaq Presario 7132EA 470019-261, Lanix Lanix Corp, HP AX351AW#ABA, Lenovo ThinkCentre A52, Dell Vostro 1320, HP GM435AA-UUW m8180.sc-a, HP RQ407AAR-ABA a1748x, , and more.
Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 8362.16For Windows 7 32 bit11/3/20154/3/2017hp_envy_20_d035hk_touchsmart_bios_8.15_rev_a_for_windows_8_windows_8.1-8362.16.exe76kbNEC PC-MK29MLZDF, Lenovo 57125694, Panasonic CF-W7DWM07JM, Fujitsu FPC03050DK, HP EJ210AA-ABS m7270.se, Compaq EK346AA-ABZ SR1637IT IT540, Lenovo 20ARA024KR, Sony VPCEL15EN, NEC PC-LL750WG1JB, HP HP Compaq dc7100 CMT, , and more.
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1 model.

Request a driver
Laptop Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Tablet Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Download Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Upgrade Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Update Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.12022 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Free Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Data Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Info Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Help Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Guide Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Comments Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Windows 10 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Vista Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Windows 7 Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1Install Hp Envy 20 D035hk Touchsmart Bios 8.15 Rev A For Windows 8 Windows 8.1