For ATI/AMD Radeon cards, right click on 'Amd catalyst control center' go to Graphics > PowerPlay - Set Plugged In and Battery to Maximum Performance. Click Apply.
f applicable to your graphics card, go to Graphics > 3D and move the slider across to Performance so it is set for Optimal Performance. Click Apply. NOTE: This function might not be available on all ATI models.If your Catalyst Control Center has the Switchable Graphics tab go there and browse to locate seratovideo.exe and set it for High Performance. Click Apply. Do the same for your host Serato software also - Scratch Live, Serato DJ or ITCH.
The Serato Video location for earlier versions is C:/Program Files(x86) / Common Files / Serato / Serato Video / Serato Video.
The Serato Video location for newer versions is C:/Program Files(x86) / Common Files / Serato / Serato DJ / Serato Video
and there you go, hope that helped you out!
Source: https://support.serato.com/hc/en-us/articles/202305784-Changing-graphics-card-settings-to-use-your-dedicated-GPU-on-a-Windows-computer-