Windows: Press Ctrl + Shift + Esc, open Task Manager, go to Performance, and select GPU
Windows: Right-click the desktop, open Display settings, then Advanced display, then Display adapter properties
Windows: Press Win + R, type dxdiag, and check the Display tab
Windows: Open Device Manager, expand Display adapters, and read the GPU name
Mac: Click the Apple menu, choose About This Mac, and check Graphics
Mac: Open System Information and check Graphics/Displays
Linux: Open Terminal and run lspci | grep -i vga
Linux: Open Terminal and run glxinfo | grep “OpenGL renderer”
In-game or app settings: Check the graphics or display information section
Use GPU software: Open NVIDIA Control Panel, AMD Adrenalin, or Intel Graphics Command Center