Later versions sometimes removed the classic Realtek HD Audio Manager from the system tray, while R2.79 reliably includes it.
Realtek High Definition Audio Driver (R2.79) is a widely recognized driver package designed to provide high-quality audio playback and recording for Windows systems. The specific file is the 64-bit executable for version R2.79, which supports Windows 7, 8, 8.1, and 10. Later versions sometimes removed the classic Realtek HD
Q: Will this driver work with my sound card? A: This driver is designed for Realtek audio chips. If you're using a different sound card, you may need to use a different driver. which supports Windows 7