How to Uninstall or Rollback Windows 10 21H1

Microsoft is all set to release Windows 10 version 21h1 by the mid-end of May 2021. As we all know, developers keep trying new projects even if the due date is very close, there is a possibility of receiving a buggy update. In this tutorial, we explain three different ways to either uninstall or rollback Windows 10 21h1 in case you already started getting bugs and errors.

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 rollback 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 Rollback Windows 10 21H1

To rollback Windows 10 21H1, try out either of the following methods –

1. Using Recovery 

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. Rollback Windows 10 21H1 via Command Prompt

Alternatively, you may also rollback 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

Rollback Windows 10 2009 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. 
  • 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. 

How to Uninstall Windows 10 21H1 

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.
  • Right-click upon the cumulative update that had upgraded your device to Windows 10 21h1, and hit the Uninstall button. 
  • 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 automatically starts 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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