Windows 10: Cant install Realtek Hd Audio

I recently bought a custom gaming pc that has windows 10 pro, and when I first received the product, I noticed that when I plugged in my wired headphones to the pc that the audio was not working, and I couldn't hear anything thru my headphones.i have an acer monitor which connect to my pc thru HDMI My headphones do work as i tried it on my laptop and they did come with splitter use for a desktop which still didn't work. When i looked into it more i realized that the only audio driver that was installed on my pc is Nvidia. When i tried to install Realtek thru the website, i was not able to an

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Realtek HD audio headphone jack

Realtek HD audio headphone jack not listed separately in device manager, headphones don't

 

The Ultimate Realtek HD Audio Driver Mod for Windows 10

i didn't understand this step- 4. Install Realtek APO Driver through device manager, then using device manager update from Realtek APO Driver to the lastest offical realtek HD Audio
which inf file i should choose when installing Realtel APO driver folder and there are many inf files in the Realtek official HD Audio. which file to choose?

 

The Ultimate Realtek HD Audio Driver Mod for Windows 10

I had the realtek error when using the installer, so I did these step and It Worked

1.Go Open up device manager
2. Go under sound,video, and game controllers
3. Find Realtek High Definition Audio
4. Right click and hit update driver
5. Browse my computer for driver software
6. Let me pick from a list of available drivers on my computer
7. Click Have Disk and hit browse
8. Click on the Realtek HD Audio mod folder and look for win64
9. Click on the HDXRT4 and click ok,
10. Click Next and Yes
After it is done, restart the PC

You should be good then and also make sure before doing these steps that you have driver enforcement disabled.