
Machine GUID: What It Is and How to Find It
The machine GUID is an ID Windows writes to the registry during setup. Where it lives, what changes it, and how it differs from the product ID.
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The machine GUID is an ID Windows writes to the registry during setup. Where it lives, what changes it, and how it differs from the product ID.

A RAM serial number is the maker's ID for one memory stick. How to read it in Windows with PowerShell, where it is stored, and why games read it.

A GPU serial number is on a label on the card. Windows can't read it and nvidia-smi can on some cards. Plus the GPU UUID and why it's a hardware ID.

Find your motherboard serial number with PowerShell, CMD or the sticker, why it can say Default string, and why games read it.

A volume serial number is the ID Windows gives a partition when it is formatted. How to read it with vol or PowerShell, and how to change it.

A CPU serial number is printed on the chip, not readable by Windows. How to check processor ID in PowerShell, what it means, and the Pentium III PSN story.

The system UUID is a 128-bit ID your PC's maker writes into SMBIOS firmware. How to read it in Windows 11, what SMBIOS is, and why games read it.

Get your BIOS serial number with PowerShell now that WMIC is gone from Windows 11, plus every legacy WMIC command and what replaces it.

EDID is the 128-byte block a monitor sends your PC with its maker, model and serial. What's inside, where the serial sits and how Windows reads it.