
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.

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.

Find a hard disk, SSD or NVMe serial number with PowerShell, why it differs from the volume serial, and whether you can change it.

A MAC address ban blocks one network adapter. Routers can enforce it; a game only through software on your PC. How to find, randomize and change a MAC.