Press Windows + R, type `msinfo32`, and press Enter
Open Settings > System > About
Right-click This PC > Properties
Open Task Manager > Performance tab
Use Device Manager to check installed hardware
Open DirectX Diagnostic Tool by typing `dxdiag` in Run
Use Command Prompt and run `systeminfo`
Use PowerShell and run `Get-ComputerInfo`
Check BIOS or UEFI during startup
Open the PC case and read the hardware labels
Use third-party tools like CPU-Z, Speccy, or HWiNFO