Press Windows + R
Type msinfo32 and press Enter
Look for BaseBoard Manufacturer, BaseBoard Product, and BaseBoard Version
Open Command Prompt
Type wmic baseboard get product,Manufacturer,version,serialnumber and press Enter
Check your motherboard box or receipt
Open your PC case and read the model number printed on the motherboard
Use a system info tool like CPU-Z or HWiNFO
Check your BIOS/UEFI setup screen for motherboard details