Double-click any field you wish to change. Common edits:

Click the "Read" button (or press F5). The tool will scan the BIOS and display:

Download dmiedit+520 from a trusted hardware forum (never from random file hosts). Verify the SHA-256 checksum if provided.

If you replaced your motherboard and Windows no longer activates (due to OEM SLIC 2.x key), you can copy the original manufacturer, model, and serial number from the old board using dmiedit+520.

fs0:\> reset

Enter Windows and run wmic bios get serialnumber – your new serial should appear.

After reboot, check using msinfo32 or run wmic bios get serialnumber in Command Prompt.

Dmiedit+520