The filename realtek-high-definition-audio-64bit-win7-win8-win81-win10-r279.exe is widely distributed, but malware authors sometimes bundle fake drivers.
While the filename lists Win10 support,
: Often paired with the "Realtek Audio Manager," it allows users to fine-tune their listening environment, from equalizer settings to jack detection. Installation and Maintenance
: If you see a red 'X' over your volume icon after running the installer, try restarting again. If the issue persists, go to Device Manager and ensure the device isn't "Disabled."