How to Uninstall or Rollback Windows 10 21H1

Microsoft released Windows 10 version 21h1 on 11th May 2021 as a minor feature update for all its users. If you have already installed this update on your device and started to feel some bugs here and there, you may uninstall Windows 10 21H1 completely via either Control Panel, or Command Prompt. In case you have used an ISO file to upgrade to May 2021 update, consider using the recovery feature and Rollback Windows 10 21H1 to your previous build version. 

With each Windows 10 upgrade, users get a maximum of 10 days under which they must decide whether they want to stay on the updated version or switch back to the earlier one. Once you have crossed this time frame, the system automatically deletes “Windows10.old” folder and thus hides the option to either downgrade or roll back Windows 10 21H1. 

Uninstall or Rollback Windows 10 21H1

Do you wish to increase the time range from 10 days to 60 days or even more? Well, learn how to increase this time limit. Moreover, if you haven’t encountered any issues so far installing Windows 10 21H1, you may delete the old system files using the Disk Cleanup Tool

How to Remove Windows 10 21H1 from your device

To either rollback or uninstall Windows 10 21H1, try out the respective methods –

1. Rollback Windows 10 21H1 – Using Recovery Tool

The best way to switch to the previous OS Build version is by using the recovery tool. Here’s how to use this tool to rollback Windows 10 21h1 –

Tip: The below method is applicable only if your system detects old Windows 10 update files. In case you have performed a clean install or deleted the old files, the recovery button stands “grayed out”.
  • First of all, browse to the following location –

Settings (Win + I) > Update & Security > Recovery

  • Head over to the adjacent right page, and click Get started under the “Go back to the previous version of Windows 10” section. 
  • The system might ask for a reason for this rollback, select one using the drop-down menu.
  • Now, keep pressing Next until the restoring Windows 10 process starts. 

2. Uninstall Windows 10 21H1 via Command Prompt

Alternatively, you may also roll back Windows 10 21H1 to its predecessor version by tweaking a few codes on the Command Prompt. This is the easiest and convenient way as compared to the previous one. Let’s explore the key steps in detail.

  • Launch Command Prompt as an Administrator.
  • On the elevated console, execute the below command –

wmic qfe list brief /format:table

Uninstall Windows 10 21H1 via Command Prompt

  • Running this code will present a table comprising all updates that were installed recently.
  • Note down the Build number that performs the transition successfully.
  • Now that you have the cumulative update number, copy/paste the below code, and press Enter.

wusa /uninstall /kb:build number

Quick Note: Just make sure to replace the “kb:build number” with the exact KB number that you noted down previously. For Example – Replace “kb:build number” with KB5000736.
  • In case there appears any confirmation message on Windows Console, type “Y”, and press Enter again.
  • The whole roll backing process usually takes 20-25 minutes, so wait patiently. 

3. Uninstall Windows 10 21H1 via Control Panel

Rollbacking Windows 10 has its own limitations. In certain cases, the issues that arrived after upgrading to the latest version persist even after initiating a rollback. If that’s the case, one should simply uninstall the recent updates using the steps elaborated below – 

  • Launch Control Panel
  • Click Programs and Features.
  • Go to the left pane and click “View installed updates“.
  • The system displays a list of all recent upgrades on the right side.
  • Scroll down and locate the latest feature update under Microsoft Windows. 
  • Right-click upon the recently installed update that had upgraded your device to Windows 10 21h1, and hit the Uninstall button. 

Uninstall Windows 10 21H1 via Control Panel

  • Click “uninstall” on the subsequent pop-up window.
  • Your PC will check if there exists any old operating system version or not. If yes, this will automatically start downgrading your current Windows 10 version. 

I hope you are now able to successfully downgrade Windows 10 version 21H1 to its predecessors OS Build.  

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