Windows 10 Suddenly Deactivated After an Update?
Windows releases updates frequently to fix some bugs in the previous version and enhance your user experience.
However, some of you might find Windows is deactivated itself after an update.

In this post, we sort out multiple solutions to this problem for you.
How to Fix Windows Deactivate Itself After Update?
In the configs menu, scroll down to findUpdate & Securityand hit it.

Heres how to do it:
Step 1.
Typecmdin the search bar to locateCommand Promptand right-choose it to chooseRun as administrator.
In the elevated command window, copy & paste the following command and pressEnterto get the product key.
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wmic path SoftwareLicensingService get OA3xOriginalProductKey
Step 3.
Then, go toWindows configs>Update & Security>Activation.
This post shows you some easy fixes.

Heres how to check the status of activation.
RunCommand Promptwith administrative rights.
In the command window, typeslmgr rearmand hitEnter.

Heres how to add a Microsoft account to your setup:
Step 2.
Go toAccounts>Email & accounts>Add a Microsoft account.
Then, follow the guidelines on the screen to add your Microsoft account.
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Whats the difference between a local account and Microsoft account?
Here is the information on Windows 10 local account vs Microsoft account.
Heres how to restore Windows from the last restore point.

Right-hit theStarticon to selectRunfrom the quick menu.
In theRundialog, typerstruiand click onOKto openSystem Restore.
In theSystem Restorewizard, hitNext.

Step 4. pick the latest restore point and hitNextto continue.
Confirm the listed descriptions and click onFinishto start the process.
Here, you’re able to get thefree backup software MiniTool ShadowMaker to have a try.

This operation is pretty easy and indispensable because data loss might occur at any time.
Heres how to back up your data with theWindows backup software:
Step 1.
Run MiniTool ShadowMaker and go to theBackupsection.
In this page, click onSOURCE>Folders and Filesto check the files you want to protect.
InDESTINATION, you’ve got the option to choose a destination path for the backup task.
PressBack Up Nowto start the backup right now.
In thesettingsmenu, selectUpdate & Security.
In theRecoverysection, hitGet startedunderReset this PCand follow the on-screen instructions to complete the rest process.
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Sincerely hope that this guide is beneficial to you!