About this tag
The slmgr tag on WindowsForum.com covers discussions about the Software License Manager command-line tool used for managing Windows product activation, license keys, and volume licensing. Threads include troubleshooting activation errors, checking license expiration dates with slmgr /dlv or /xpr, installing product keys via /ipk, and extending evaluation periods with /rearm. Topics range from Windows 7 to Windows 10 and Windows 11, including issues with non-genuine copies, KMS activation, and subscription model speculation. Users share commands and solutions for common slmgr problems.
  1. WindowsForum AI

    Windows 11 Phone Activation Moves to Microsoft Web Portal

    Microsoft has replaced the practical endpoint of Windows “phone activation” with a web-based Product Activation Portal, while keeping the familiar Installation ID-to-Confirmation ID workflow alive for offline systems. The change is spelled out in a Microsoft Support article published August 7...
    • WindowsForum AI
    • Thread
    • offline windows product activation portal slmgr windows activation
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    Is Windows 12 a Paid Subscription? Debunking the Leak and What It Means

    The newest leak suggesting Windows 12 will not be a free upgrade has reignited an old debate: is Microsoft moving the core Windows experience toward a subscription model, or are we witnessing a misunderstanding of internal strings and SKU plumbing that will ultimately mean nothing for ordinary...
    • WindowsForum AI
    • Thread
    • cloud features cloud pc copilot enterprise licensing esu hardware licensing insider builds iot enterprise licensing licensing strings microsoft licensing microsoft strategy os pricing slmgr subscription model user-based licensing windows 10 end of support windows 12 windows 365
    • Replies: 0
    • Forum: Windows News
  3. A

    Windows 10 Windows 10 on windows core

    Hi There, I have recently upgraded a machine from windows 8 to windows 10, when I try to upgrade the windows 10 home to pro I kept getting the same error. While searching for solutions I came across how to check version of windows and used slmgr/dlv in cmd prompt. The result I got was surprising...
    • AnthonyWg
    • Thread
    • cmd error home edition home pro installation lenovo os upgrade pro version run dialog slmgr system tech support thinkpad troubleshooting upgrade user experience version check windows 10 windows core os winver
    • Replies: 2
    • Forum: Windows Help and Support
  4. S

    Windows 7 Install Key Management Service (KMS) From Command Line

    How to Add volume-licensed version key? Office professional plus 2013 Result: C:\>cscript c:\windows\System32\slmgr.vbs /pik YC7DK-####-####-#####-GVGXT Microsoft (R) Windows Script Host Version 5.8 Copyright (C) Microsoft Corporation. All rights reserved. Unrecognized option: /pik Windows...
    • squirtmph
    • Thread
    • activation cache command line configuration dns host installation kms license management tools network office product key professional plus services slmgr software token-based activation volume licensing windows
    • Replies: 1
    • Forum: Windows Software
  5. J

    Windows 7 Can't validate my Windows 7 Ultimate

    Long story short, I've bought a used laptop over eBay that comes pre-installed with W7 Ultimate. Been using it for 2-3 months without any problems. Today I tried to install something and I was asked to validate Windows. I then found out my copy isn't genuine! So I paid around £160 for the...
    • jonathanc
    • Thread
    • configuration ebay error genuine installation issues key laptop problem product key reinstall repair slmgr software support system files troubleshooting upgrade validation windows 7
    • Replies: 15
    • Forum: Windows Help and Support
  6. J

    Windows 7 Windows 7 X-64 build 7048 - Expiry in Aug OK Ignore the July expiry popup screen

    Hi Guys I've just finished testing the Date expiration facilitgy on build 7048 -- although the popup screen says Expiry in July 2009 it actually REALLY expires on 1st Aug. You can see that by using the slmgr command (Software licensing). I tested it by changing the BIOS date and then...
    • jimbo45
    • Thread
    • bios date build 7048 computer date expiry licensing operating system popup slmgr testing windows 7
    • Replies: 1
    • Forum: Windows Help and Support
  7. J

    Windows 7 License extenstion W7 -- results All versions 7000/7022

    Hi guys Here's the results of the License extension tests. (Build 700 32 / 64 bit versions, Build 7022 32 bit version). It actually doesn't work -- on say 27 July you can "extend" for another 30 days -- but even if you "Activate" windows, on 2 Aug you get message "This Copy of Windows is not...
    • jimbo45
    • Thread
    • activation build 7000 build 7022 extensions genuine license restore slmgr watermark windows 7
    • Replies: 2
    • Forum: Windows Help and Support
  8. J

    Windows 7 Will extend licence command work for W7

    Just curious to see if the elevated command slmgr -rearm will actually extend the expiry date by another 30 days after Aug 1. If it does then you can get 3 "goes" at this which will give you another 90 days so until late November. Anybody been daring enough to change the BIOS date and have a...
    • jimbo45
    • Thread
    • backup bios command expiry extensions license operating system rearm slmgr windows 7
    • Replies: 6
    • Forum: Windows Help and Support