Check your exact Windows version and build with winver — via Microsoft Learn

Tricklow riskWindows 11Windows 10

Before you follow any guide, check which Windows you have. Press Win+R and run winver. It shows the version (for example 24H2 or 25H2) and the OS build number, which tells you whether a tweak still applies to you.

Takes effect right away

How to do it

Press Win + R, type winver and press Enter.
For more detail (edition, install date), open Settings → System → About.

Sources

Deploy Windows Enterprise licenses — by Microsoft Learn

Source reviewed: 2026-11-02
Link checked: 2026-11-02
Tested hands-on: Not by Oddbyte.Me

Oddbyte.Me hasn't tried this on every Windows build, so keep the undo handy.

winverversionbuild24h225h2

More in Setup & Install

See which Windows editions are inside an ISO or install.wim — via Microsoft Learn

Commandlow riskAdmin

One ISO usually holds several editions (Home, Pro, Education and more), each stored as a numbered index in install.wim or install.esd. DISM lists them along with their version and size, so you know which index is which before you deploy or extract one.

Read the Windows product key stored in your PC's firmware — via Microsoft Learn

Commandlow riskAdmin

Most PCs that came with Windows have the key embedded in the UEFI firmware (OA3), and Windows activates from it automatically when you reinstall the same edition. One PowerShell line reads that key, for example to check which edition it belongs to.

Heads-up: the BypassNRO / ms-cxh local-account shortcuts are being removed — via Windows Insider Blog

MythAdmin

Typing OOBE\BypassNRO or start ms-cxh:localonly at the Shift+F10 prompt used to let you skip the Microsoft account during setup. Microsoft announced in October 2025 that it is removing these known mechanisms, so newer builds require internet and a Microsoft account to finish OOBE.