Physical motherboards often have a revision number (e.g., REV 1.0 or 2.1) printed on a corner. Ensure your download matches this exactly. Step 2: Download the BIOS Zip File

Press Windows + R , type msinfo32 , and check "BaseBoard Product."

Right-click the zip file and select "Extract All" to a location like your Desktop.

Before downloading anything, you must know your hardware's specific model and revision number.