Windows: Open Task Manager
Windows: Go to Performance
Windows: Select GPU
Windows: Check Dedicated GPU memory
Windows: Use dxdiag
Windows: Open Run
Windows: Type dxdiag
Windows: Go to Display tab
Windows: Check Display Memory and Dedicated Memory
Windows: Use NVIDIA Control Panel
Windows: Open NVIDIA Control Panel
Windows: Go to System Information
Windows: Check Dedicated Video Memory
Windows: Use AMD Software
Windows: Open AMD Software
Windows: Go to Settings or System
Windows: Check VRAM or Memory
Windows: Use GPU-Z
Windows: Open GPU-Z
Windows: Check Memory Size
macOS: Open Apple menu
macOS: Select About This Mac
macOS: Check Graphics or Chip details
Linux: Use terminal command lspci
Linux: Use terminal command glxinfo
Linux: Use terminal command nvidia-smi
Linux: Check GPU memory in system tools
In games or apps: Open graphics settings
In games or apps: Check video memory or VRAM usage