How to Download and Install Windows 11 21H2 Update
Windows 11 is the latest operating system from Microsoft that offers a modern, fresh, and secure experience for your PC. Windows 11 21H2 update is a feature update that brings new enhancements, fixes, and security updates to your device. In this article, we will show you how to download and install Windows 11 21H2 update on your PC, as well as how to troubleshoot any problems that might arise.
Introduction
Windows 11 21H2 update is the first major update for Windows 11 since its release in October 2021. It includes all the features and fixes from previous cumulative updates, as well as some new additions such as:
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A new design and sounds that are modern, clean, and beautiful
A new Start menu that puts you and your content at the center
A new Chat app that integrates Microsoft Teams into the taskbar
A new Widgets app that provides a personalized feed powered by AI
A new Microsoft Store that is rebuilt with an all-new design and more apps
New accessibility improvements that are built for and by people with disabilities
New opportunities for developers and creators to bring their apps to the Store
New gaming features that unlock the full potential of your system's hardware
Windows 11 21H2 update also comes with 24 months of support for Home, Pro, Pro Education, and Pro Workstations editions, and 36 months of support for Enterprise and Education editions.
Before you install Windows 11 21H2 update, you need to make sure that your device meets the minimum system requirements for Windows 11. These include:
A processor that has at least two cores and runs at least at a speed of one gigahertz (GHz) or faster
At least four gigabytes (GB) of RAM
At least sixty-four gigabytes (GB) of available storage space on your device's hard drive or SSD
A graphics card or integrated graphics processor (GPU) that is compatible with DirectX12 or later, with a WDDM driver version of at least two point zero (WDDM 2.0)
A display that has high definition (HD) resolution (720p) or higher, with a diagonal screen size of greater than nine inches (9"), measured diagonally
A Trusted Platform Module (TPM) version two point zero (TPM 2.0)
A UEFI firmware that supports Secure Boot
An internet connection and a Microsoft account to complete the setup
You can check if your device meets these requirements by using the PC Health Check app, which you can download from . The app will also tell you if there are any known issues or compatibility problems with your device.
Windows Update in Settings (recommended)
The easiest and safest way to install Windows 11 21H2 update is to use Windows Update in Settings. This is the recommended method because it will automatically download and install the update for you, without affecting your personal files or settings. To use Windows Update in Settings, follow these steps:
Open Settings by clicking on the Start menu and selecting the gear icon, or by pressing Windows + I keys on your keyboard.
Select Windows Update from the left pane, and then click on Check for updates on the right pane.
If Windows 11 21H2 update is available for your device, you will see a message that says "Feature update to Windows 11, version 21H2". Click on Download and install to start the process.
Wait for the download and installation to complete. This may take some time depending on your internet speed and device performance. You can use your device normally while the update is downloading and installing in the background.
When the update is ready, you will be prompted to restart your device to finish the installation. You can choose to restart now or schedule a restart for later. Make sure to save any work and close any apps before restarting.
After restarting, your device will be running Windows 11 21H2 update. You can check the version and build number by going to Settings > System > About.
If you encounter any problems with Windows Update, such as errors, failures, or stuck downloads, you can try some of these troubleshooting steps:
Run the Windows Update troubleshooter by going to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Windows Update > Run the troubleshooter.
Clear the Windows Update cache by deleting the contents of the C:\Windows\SoftwareDistribution folder.
Reset the Windows Update components by running some commands in an elevated Command Prompt or PowerShell window.
Use the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) tools to scan and repair any corrupted system files.
Contact Microsoft support or visit the Windows community forums for more help and advice.
Other ways to install Windows 11 21H2 update (not recommended)
If for some reason you cannot use Windows Update in Settings, or you prefer to have more control over the installation process, there are some other ways to install Windows 11 21H2 update on your device. However, these methods are not recommended for most users, as they may involve more risks, complications, or data loss. Use these methods at your own discretion and responsibility.
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How to use the Installation Assistant to upgrade manually
The Installation Assistant is a tool that you can download from that will guide you through the steps of upgrading to Windows 11 21H2 update manually. This method is suitable if you want to keep your personal files and settings, but you don't want to wait for Windows Update to offer you the update automatically. To use the Installation Assistant, follow these steps:
Download the Installation Assistant from and run it on your device.
Accept the license terms and conditions, and wait for the tool to check if your device meets the system requirements for Windows 11.
If your device is compatible, you will see a message that says "Ready to install". Click on Install to start the upgrade process.
The tool will download and install Windows 11 21H2 update on your device. This may take some time depending on your internet speed and device performance. You can use your device normally while the upgrade is in progress.
When the upgrade is ready, you will be prompted to restart your device to finish the installation. You can choose to restart now or schedule a restart for later. Make sure to save any work and close any apps before restarting.
After restarting, your device will be running Windows 11 21H2 update. You can check the version and build number by going to Settings > System > About.
How to create Windows 11 installation media and perform a clean install
The Media Creation Tool is a tool that you can download from that will allow you to create a bootable USB drive or DVD with Windows 11 installation files. This method is suitable if you want to perform a clean install of Windows 11 21H2 update on your device, which means that all your personal files, settings, and apps will be erased. This method is also useful if you want to install Windows 11 on a different device than the one you are currently using. To use the Media Creation Tool, follow these steps:
Download the Media Creation Tool from and run it on your device.
Accept the license terms and conditions, and wait for the tool to get a few things ready.
On the "What do you want to do?" page, select "Create installation media (USB flash drive, DVD, or ISO file) for another PC" and click on Next.
On the "Select language, architecture, and edition" page, choose the options that match your device or the device you want to install Windows 11 on. You can also use the recommended options based on your current PC. Click on Next when you are done.
On the "Choose which media to use" page, select "USB flash drive" if you want to create a bootable USB drive, or "ISO file" if you want to create a disk image that you can burn to a DVD or use in a virtual machine. Click on Next when you are done.
If you selected "USB flash drive", you will need to insert a blank USB drive with at least 8 GB of space into your device. The tool will show you a list of available drives. Select the one you want to use and click on Next. The tool will then download and create the Windows 11 installation media on your USB drive. This may take some time depending on your internet speed and device performance. When the process is complete, click on Finish and safely remove your USB drive.
If you selected "ISO file", you will need to choose a location to save the Windows 11 disk image file. The tool will then download and create the Windows 11 ISO file on your device. This may take some time depending on your internet speed and device performance. When the process is complete, click on Finish. You can then burn the ISO file to a DVD using a third-party software, or use it in a virtual machine using a software like VirtualBox or VMware.
To perform a clean install of Windows 11 21H2 update using the installation media you created, you will need to boot your device from the USB drive or DVD. You may need to change the boot order in your device's BIOS or UEFI settings to do this. Once you boot from the installation media, follow the on-screen instructions to set up Windows 11 on your device. You will need to choose your language, keyboard layout, region, and edition of Windows 11. You will also need to accept the license terms and conditions, and enter a product key if you have one. You will then need to choose where to install Windows 11 on your device's hard drive or SSD. You may need to format or delete any existing partitions if you want to erase everything on your device. You will then need to wait for the installation to complete. This may take some time depending on your device performance. When the installation is complete, you will be prompted to customize your settings and sign in with your Microsoft account or create a local account.
How to download Windows 11 disk image (ISO) and create a bootable media or a virtual machine
If you are an advanced user or a developer who wants more flexibility and control over the installation process, you can download the Windows 11 disk image (ISO) file directly from Microsoft's website . This method is suitable if you want to create a bootable media or a virtual machine with Windows 11 21H2 update without using the Media Creation Tool. To download the Windows 11 ISO file, follow these steps:
Go to and sign in with your Microsoft account.
Select "Windows 11" from the drop-down menu under "Select edition".
Click on Confirm and wait for the page to load.
Select your preferred language from the drop-down menu under "Select product language".
Click on Confirm and wait for the page to load.
Select either "64-bit Download" or "32-bit Download" depending on your device's architecture.
The download will start automatically. Save the ISO file in a location of your choice.
To create a bootable media with Windows 11 ISO file, you can use a third-party software like Rufus or Etcher. To create a virtual machine with Windows 11 ISO file, you can use a software like VirtualBox or VMware. The steps for creating a bootable media or a virtual machine may vary depending on the software you use, so refer to their documentation for more details.
Conclusion
In this article, we have shown you how to download and install Windows 11 21H2 update on your PC, using different methods. We have also provided some troubleshooting tips and resources for any issues that might arise. Windows 11 21H2 update is a feature update that brings new enhancements, fixes, and security updates to your device. It also offers a modern, fresh, and secure experience for your PC. We recommend that you install Windows 11 21H2 update as soon as possible to enjoy its benefits and features. However, before you do so, make sure that your device meets the minimum system requirements and that you have backed up your important data. We hope that this article has been helpful and informative for you. If you have any questions or feedback, please feel free to leave a comment below.
FAQs
Here are some frequently asked questions and answers about Windows 11 21H2 update:
What are the new features and improvements in Windows 11 21H2 update?
Windows 11 21H2 update includes all the features and fixes from previous cumulative updates, as well as some new additions such as:
A new design and sounds that are modern, clean, and beautiful
A new Start menu that puts you and your content at the center
A new Chat app that integrates Microsoft Teams into the taskbar
A new Widgets app that provides a personalized feed powered by AI
A new Microsoft Store that is rebuilt with an all-new design and more apps
New accessibility improvements that are built for and by people with disabilities
New opportunities for developers and creators to bring their apps to the Store
New gaming features that unlock the full potential of your system's hardware
How long does it take to install Windows 11 21H2 update?
The installation time of Windows 11 21H2 update may vary depending on your internet speed, device performance, and installation method. Generally, it may take anywhere from 15 minutes to an hour or more. You can use your device normally while the update is downloading and installing in the background, but you will need to restart your device to finish the installation.
How can I free up space for Windows 11 21H2 update?
Windows 11 21H2 update requires at least 64 GB of available storage space on your device's hard drive or SSD. If you don't have enough space, you can try some of these methods to free up some space:
Delete any unnecessary files or apps that you don't use or need.
Use the Storage Sense feature in Settings > System > Storage to automatically delete temporary files, empty the Recycle Bin, or move files to OneDrive.
Use the Disk Cleanup tool to remove any unwanted or outdated system files.
Use an external storage device such as a USB drive or an external hard drive to store some of your files or apps.
Use a cloud storage service such as OneDrive or Dropbox to store some of your files or apps online.
How can I roll back to a previous version of Windows if I don't like Windows 11 21H2 update?
If you are not satisfied with Windows 11 21H2 update, you can roll back to a previous version of Windows within 10 days of installing the update. To do this, follow these steps:
Open Settings by clicking on the Start menu and selecting the gear icon, or by pressing Windows + I keys on your keyboard.
Select Update & Security from the left pane, and then click on Recovery on the right pane.
Under "Go back to the previous version of Windows", click on Get started.
Follow the on-screen instructions to choose a reason for going back and confirm your choice.
Your device will restart and restore the previous version of Windows. This may take some time depending on your device performance. When the process is complete, you will be prompted to sign in with your account.
How can I get help with Windows 11 21H2 update issues?
If you encounter any issues with Windows 11 21H2 update, such as errors, failures, or stuck downloads, you can try some of these methods to get help:
Run the Windows Update troubleshooter by going to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Windows Update > Run the troubleshooter.
Clear the Windows Update cache by deleting the contents of the C:\Windows\SoftwareDistribution folder.
Reset the Windows Update components by running some commands in an elevated Command Prompt or PowerShell window.
Use the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) tools to scan and repair any corrupted system files.
Contact Microsoft support or visit the Windows community forums for more help and advice.
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