Here you can also click Change to Graphic EQ icon under EQ to activate Realtek sound card equalizer in Windows 10. Then you can click Equalizer to choose a preferred equalizer setting for Realtek audio. Then double-click RtkNGUI64 file to open Realtek HD Audio Manager. You can press Windows + R, type C:\Program Files\Realtek\Audio\HDA\ in Run box, and press Enter. Open Realtek Audio Manager to access Realtek equalizer. Click the drop-down icon next to Setting to choose an audio equalizer option.
Right-click Sound icon at the bottom-right corner of Windows taskbar and select Sounds.Generally, you can access the default Realtek equalizer from Sound settings. You can open Realtek equalizer in Windows 10 and adjust its settings if you like. Read More How to Open Windows 10 Realtek Equalizer
