Press Windows + R, type `msinfo32`, and check the BIOS Version/Date field
Open Command Prompt and run `wmic bios get smbiosbiosversion`
Open PowerShell and run `Get-WmiObject win32_bios | Select-Object SMBIOSBIOSVersion`
Restart the computer and enter BIOS/UEFI setup during startup
Check the BIOS version on the BIOS/UEFI main screen
Open System Information on macOS by clicking Apple menu > About This Mac > System Report
Check the firmware version in the System Report or About This Mac details
Check the motherboard manual or manufacturer support page for BIOS version details
Use the manufacturer’s BIOS update utility to view the current BIOS version