How do I install realtek audio driver? (Realtek installation failure)

I accidentally uninstalled realtek audio driver, and I'm now trying to reinstall it, however, I'm getting errors. 

My desktop is Inspiron 3650, and i tried to install Realtek High definition audio driver from http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=956D8

Below is the installation log

[OS] : 10.0
-Build : 14393
-Service Pack : 0
-x64 system : 1
-MCE system : 0
-Server system : 0
-System Language ID : 0x0411
-User Language ID : 0x0409
[Default Path] :
-tcRtkTempDir : C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06
-tcISSetupLocation : C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06

Collecting inventory ...
Checking driver version ...
[Realtek Audio Driver for DELL MUP Package]
MUP Package Version : 6.0.1.7908

C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RealtekHDAudio\WIN64\RTKVHD64.sys
[Realtek HD Audio Driver]
Installed version : 6.0.1.7707
Package version : 6.0.1.7908

Executing update ... [2017-10-24 0:36:43.15]
Run Setup Command : C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RealtekHDAudio\Setup.exe /z[-rpC:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RHDSetup.log]

-------- Realtek Installer response : C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RHDSetup.log --------
[ResponseResult]
ResultCode=-1
[Install Progress]
Confirm Realtek Driver
Check Operation System Version
OS Information [WINMAJOR Number] = 10
OS Information [WINMAJOR String] = 10.0
OS Information [SYSINFO.nWinMajor] = 10
OS Information [SYSINFO.nWinMinor] = 0
OS Information [IsWin2000] = 0
OS Information [IsWinXP] = 0
OS Information [IsWin2003] = 0
OS Information [IsVista] = 0
OS Information [IsWin2008] = 0
OS Information [IsWin7] = 0
OS Information [IsWin8] = 0
OS Information [IsWin8.1] = 0
OS Information [IsWin10] = 1
OS Information [IsWin2008R2x64] = 0
OS Information [IsMCE] = 0
OS Information [IsServer] = 0
OS Information [Service Pack] = 0
OS Information [x64] = 1
Operation System was Windows x64
Rtlupd [GetRtlupdForPackage] = 1
Rtlupd version [C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RealtekHDAudio\Win64\RtlUpd64.exe] = 3.0.0.3
Rtkupd version [\] =
Current use Rtlupd version [C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RealtekHDAudio\Win64\RtlUpd64.exe] = 3.0.0.3
Default Path [WDMDir] = Win64
Default Path [RtkAudioDir] = C:\Program Files (x86)\Realtek\Audio
Default Path [RtkAudioDir x64] = C:\Program Files\Realtek\Audio
Default Path [RtlTempDir] = C:\Program Files (x86)\Realtek\Audio\Drivers
Default Path [RtkHDADrvDir] = C:\Program Files (x86)\Realtek\Audio\Drivers\Win64
Default Path [RtkHDMIDrvDir] = C:\Program Files (x86)\Realtek\Audio\Drivers\HDMI\XP2K
Default Path [RtlPFHDADir] = C:\Program Files\Realtek\Audio\HDA
Default Path [bUSBDrvExist] = 0
Default Path [USBDrvDir] = C:\ProgramData\Dell\drivers\Audio_Driver_956D8_WN32_6.0.1.7908_A06\RealtekHDAudio\USBAud
Default Path [RtkUSBDrvDir] = C:\Program Files (x86)\Realtek\Audio\USBAud\Driver
Default Path [RtkIntelHDASSTPath] = C:\Program Files (x86)\Realtek\Audio\Drivers\IntelHDASST
Default Registry key [Installer Base Key] = SOFTWARE\Realtek\Audio\Installer
Current model : ASUS
Current driver version = 6.0.1.7908 x64 Edition

Realtek HD Audio Driver Win64 Directory Exist .
Realtek HD Audio ASIO Directory Exist
Waves Application Directory Exist
Status - OnMoveData
Status - ProgramFiles_Installing
delete C:\Program Files (x86)\Realtek\Audio\Drivers\Win64
Copy Realtek HD Audio Driver from Win64 Directory
Run RtlUpd64.exe : C:\Program Files (x86)\Realtek\Audio\Drivers\RtlUpd64.exe --- > -s -cb -nrg2709 (TRUE)
Status - ProgramFiles_Installed
Copy .dat and .ini files
Install Realtek HD Audio Audio Driver
Run RtlUpd64.exe : C:\Program Files (x86)\Realtek\Audio\Drivers\RtlUpd64.exe --- > -u -s -fasi -fi -nrg2709 (TRUE)
-->Realtek HD Audio - SetupAPI result LAAW_PARAMETERS.nLaunchResult = -1
-->Realtek HD Audio - SetupAPI install error code = 0x0000007F
InstallShield was aborted
Status - ProgramFiles_UnInstalling
Special unregistry for hard-coding

-------- Realtek Installer response end --------

Execution update completed [2017-10-24 0:37:12.525]
======================================================================================================================================

[Update Result]...
Update ready to be applied at reboot .
Rtk Code = 0x00000000
IS Code = 0x80042000
Install Result = 0
UPD execution code = -1
USB UPD execution code =
SetupAPI running code = 0x0000007F

Exit Code = 1603 ( Error )
======================================================================================================================================
End : 2017-10-24 0:37:12.525

[10/24/17 00:37:12]
--- End of Vendor Software Log ---

[10/24/17 00:37:12] Vendor Software Return Code: 1603
[10/24/17 00:37:13] logo.png
[10/24/17 00:37:13] Name of Exit Code: ERROR
[10/24/17 00:37:13] Exit Code set to: 1 (0x1)
[10/24/17 00:37:13] Result: FAILURE
[10/24/17 00:37:14] Open file: C:\ProgramData\Dell\UpdatePackage\Log\Audio_Driver_956D8_WN32_6.0.1.7908_A06.txt