I'll just copy paste fyi
"Yours probably doesn’t though; of the 400 Adaptive Sync monitors that Nvidia says it’s tested, only 12—yes, 12—earned the certification.
But fear not. If your FreeSync display didn’t make the cut, you can still manually enable Adaptive Sync support using the Nvidia Control Panel. Make sure your monitor’s variable refresh rate capabilities are enabled using the display’s own controls"