How to Download and Install Windows 10 21H2 Update Manually

geanysol90

The first method covers steps to install 21H2 using Windows 10 Update Assistant.

Use this first method if Microsoft has NOT released another update after 21H2.

Furthermore, the second method shows you how to manually install Windows 10 21H2 update from Microsoft’s updates catalog site.

AD
Use this second method if Microsoft has released another update after 21H2. To help you make this decision, Microsoft should release the next update after 21H2, around November 2022. So, if you’re reading this article after November 2022, you should be using the second method.

Before I proceed with the guide, I like to mention that I also have an FAQ section. In the FAQ section, I provide answers to commonly asked questions about Windows 10 21H2.

Browse Post Topics

How to Manually Download and Install Windows 10 21H2 Update with Update Assistant

How To Install Windows 10 21H2 Update Manually

As I mentioned in my introduction, only use this method if you’re installing Windows 10 update 21H2 before Microsoft releases the next update (around November 2022).

 

If Microsoft has released another update, when you use the steps below, you’ll be installing the latest Windows 10 update.

To install Windows 10 21H2 (after November 2022), use the second method in this guide.

Follow the steps below to install the latest Windows 10 update.

As of when I updated this guide, in July 2022, the latest Windows 10 update was 21h2.

Before you install the latest Windows 10 update, you need to check that you have enough space in your Windows 10 install drive. Use the first sub-section below to check the space on your PC’s OS drive.

How to Check the Free Space on Your Windows 10 Install Drive

  1. First of all, you need to determine the drive Windows 10 is installed on your computer. To do this, enter %SystemDrive% in the Windows 10 search box. Then, from the search results, click %SystemDrive%.
  1. The previous step will open te drive you installed Windows 10 on your computer. In my case, it is drive C (1). To check the free space on then drive, on the Quick access pane, right-click the drive (2) and select Properties (3).
How To Install Windows 10 21H2 Update Manually
  1. Finally, on the drive Properties, check that the free space is over 10 GB. If the free space is less than 10 GB, free up some space before proceeding to the next section.

Steps to Manually Download and Install the Latest Windows 10 Update

Once you’ve confirmed that you have enough free space on your Windows 10 installation drive, follow the steps below to install the latest Windows 10 update manually.

When I updated this article in July 2022, the latest Windows 10 update was 21H2.
  1. Open the Windows 10 update page – Microsoft.com/en-us/software-download/windows10 (link will open in a new browser tab).
  2. Then, click the Update now button below Windows 10 November 2021 Update. Your browser will download Windows 10 Update Assistant file to your computer.
If you’re performing this installation after November 2022, the update number will be different.
  1. If you use Google Chrome or Microsoft Edge browser, the browser will display Windows 10 Update Assistant file at the bottom left. To initiate the install of Windows 10 21H2 update manually, click the file.

AD
When you click the Windows 10 update assistant, Windows 10 will open the User Access Control dialogue box. Click Yes.
Steps To Install Windows 10 21H2 Update Manually
  1. Then, on the buttom right of the first page of the Windows 10 Update Assistant, click the Update Now button. The Windows 10 Update Assistant will run a pre-installation check.
Steps To Install Windows 10 21H2 Update Manually
  1. If your PC meets the requirement to install Windows 10 21H2 Update, the Next button will be available. To proceed, on the bottom right, click Next.
If you do not click Next immediately, the update will start installing automatically.

Wait for the installation to reach 100%. Then, proceed to the next step. During this process, you can minimize the Update Assistant and continue working on your PC as normal.

Steps To Install Windows 10 21H2 Update Manually
Before you perform the next step, save your work.
  1. When Windows 10 Update Assistant finishes installing Windows 10 21H2 Update, a 30-minute restart count-down screen will display. To restart immediately, click Restart now on the bottom right of the screen.

AD
When you click Restart now, your computer will display a message informing you that Windows 10 Update Assistant will restart your PC. When the computer is restarted, the installation will proceed. During this process, the PC will restart several times.
  1. Finally, when Windows 10 Update Assistant finishes installing Windows 10 21H2 update, Windows 10 will display a login screen. Log in with your normal user name and password. After you sign in to Windows 10, it will perform the final stages of the update.
  2. To confirm that Windows 10 21H2 Update was installed manually, enter winver into Windows 10 search. Then, open the app – it should display that your Windows 10 is now version 21H2.
Steps To Install Windows 10 21H2 Update Manually

How to Manually Download and Install Windows 10 21H2 Update from Microsoft’s Updates Catalog

How To Manually Download And Install Windows 10 21H2 Update From Microsoft's Updates Catalog

I have said this several times, but I’ll say it again because it is important. If you use this method after Microsoft has released an update newer than 21H2, you will be installing 21H2 and NOT the latest update.

So, only use the steps in this section if you want to install 21H2, not the latest Windows 10 update.

Since you will manually download Windows 10 21H2 update, you need to know your Windows 10 PC’s processor architecture. The first sub-section of this guide shows you how to do that. Then, follow the steps in the second sub-section to download and install Windows 10 21H2 update manually.

Check Your Windows 10 PC’s Processor Architecture

  1. Enter cmd on the search box at the bottom left of your Windows 10 search box. Then, from the search results, click Command Prompt.

AD
How To Manually Install Windows 10 21H2 Update From Microsoft's Updates Catalog
  1. Then, when the Command Prompt opens, enter the command below, and press the Enter key on your keyboard.
systeminfo | find "System Type"

The above command will return your Windows 10 PC’s architecture. Note this information as you’ll need it to download the right version of the Windows 10 21H2 update.

Manually Download and Install Windows 10 21H2 Update

  1. Click Microsoft Update Catalog to open the Windows updates catalog page.
  2. Then, locate the Windows 10 21H2 update for your PC’s version and click the Download button on the far right.
Please download the version of the 21H2 update for your PC’s architecture (1). Also, ensure that you download the version that says “Windows 10, version 1903 and later” (2). Finally, to download the update, click the Download button (3).
How To Manually Install Windows 10 21H2 Update From Microsoft's Updates Catalog
  1. When you click the Download button, a pop-out window will be displayed on the top left of the page. To start downloading Windows 10 21H2 update manually, click the link.
As you can see from the last screenshot, the size of the update is 602.6 MB. So, depending on your internet speed, it may take a while to download the file.
  1. When your browser finishes downloading the file, click on it to start installing Windows 10 21H2 update manually.
The downloaded file may be available differently, depending on your browser.

I received the error message below because my PC already installed update 21H2. You may also receive this error message if you downloaded the wrong update for your PC’s architecture.

AD

How to Download and Install Windows 10 21H2 Update Manually: Frequently Asked Questions

How To Install Windows 10 21H2 Update Manually Frequently Asked Questions
1. How Do I Manually Install Windows 10 21H2?

Open the Windows 10 update page – Microsoft.com/en-us/software-download/windows10 (link will open in a new browser tab). Then, download Windows 10 Update Assistant and use it to install Windows 10 Windows 10 21H2 manually.

For detailed steps, see step two of this article – Steps To Install Windows 10 21H2 Update Manually (link will open in a new browser tab).

2. How Do I Download Windows 10 21H2?

Open Microsoft.com/en-us/software-download/windows10. Then, on the “Create Windows 11 Installation Media” section of the page, click Download now.

Finally, follow the steps to download Windows 10 21H2.

3. How Do I Get The Latest Windows 10 Update?

There are two ways you can get the latest Windows 10 update. 1, via Windows Update. 2, by following step 2 in this guide – Steps To Install Windows 10 21H2 Update Manually (link will open in a new browser tab).

4. Is Windows 11 Update Free?

Yes, Windows 11 update is free. If you have a valid Windows 10 licence, you can update Windows 10 to Windows 11 for free.

To upgrade your Windows 10 PC to Windows 11 for free, follow the steps in our guide – How To Install Windows 11 Manually For Free (Upgrade Windows 10)

5. Can Windows 10 Upgrade To Windows 11?

The simple answer is yes; Windows 10 can upgrade to Windows 11. However, there are strict Windows 11 requirements that your PC has to meet.

In any case, even though your PC does not meet the Windows 11 hardware requirements, you can use the steps in our guide to install Windows 11 – How To Install Windows 11 Manually For Free (Upgrade Windows 10)

How to Download and Install Windows 10 21H2 Update Manually: My Final Thoughts

How To Install Windows 10 21H2 Update Manually My Final Thoughts

You can Install Windows 10 21H2 update manually now without having to wait for the update to become available via Windows update.

However, I strongly recommend you check that you have enough free space (at least 10 GB) on the Windows 10 install drive. Once you confirm you have enough free space, follow the steps in section 2 of this guide to install Windows 10 21H2 update.

I hope you found our latest manual Windows 10 update guide helpful? If you found this article helpful, kindly spare 2 minutes to share your experience with our community at Itechguides Community.

However, if you have any questions regarding this article or if the steps did not fix your problem, please post your question at Itechguides Community. Our team and other community members will come back to you with a fix as soon as possible.

Finally, for more Windows 10 Itechguides, visit our Windows 10 How-to page. You may also find our Work from Home page very helpful.

References and Further Reading

  1. Download Windows 10 (microsoft.com)
  2. Microsoft Update Catalog
  3. Itechguides Community

Leave a Comment