How to install Windows 11 26H2 for early access to new features

• Windows 11 26H2 is expected later in 2026, but you can install preview versions now.
• The update can be installed through the Windows Insider Program or via a bootable USB drive and an ISO file.

Windows 11 26H2 (2026 Update) isn’t expected to launch until later this year, likely in September or October. However, you can already install preview builds of the new version on compatible devices through the Windows Insider Program or by performing a clean installation using bootable USB media.

It’s important to note that version 26H2 shares the same platform and servicing foundation as version 25H2, meaning the two releases are virtually identical under the hood. As a result, many of the new features and improvements introduced during the early development of version 26H2 are expected to roll out to version 25H2 as well. However, joining the preview program gives you access to those changes before they become available more broadly.

Related

How to upgrade to Windows 11 25H2

How to clean install Windows 11 25H2

As the official release approaches, Microsoft is expected to provide additional upgrade paths, including the ability to install version 26H2 directly through Windows Update. Since versions 25H2 and 26H2 share the same platform, devices already running version 25H2 will likely be able to upgrade using a small Enablement Package, allowing the new version to install quickly without requiring a full operating system upgrade.

In this guide, I’ll outline how to upgrade to Windows 11 26H2 using the latest preview of the operating system through the Windows Insider Program.

• Install Windows 11 26H2 using bootable USB
• Install Windows 11 26H2 using Insider Program
• Pureinfotech’s Take

Install Windows 11 26H2 using bootable USB

You can also download the ISO file containing the latest Windows 11 26H2 to create a bootable USB for a clean install.

Before proceeding, make sure your device is configured to boot from a USB flash drive. This may require changing the UEFI firmware settings. Since these settings vary by device, it’s best to visit your computer manufacturer’s support page for detailed instructions.

To perform a clean install of Windows 11 26H2 from a bootable USB media, follow these steps:

1. Start the PC with the Windows 11 26H2 USB flash drive.

2. Press any key to continue.

3. Choose the installation language and format.

   

4. Click the Next button.

5. Choose the keyboard and input method.

   

6. Click the Next button.

7. Select the “Install Windows 11” option.

   

8. Check the “I agree everything” option to confirm that this process will delete everything on the computer.

9. Click the “I don’t have a product key” option.

   

   Quick note: The computer will activate automatically after reinstallation. If this is a new computer, you must provide a product key. You can always provide the product key to activate later through the Settings app.

10. Select the edition of “Windows 11” your license key activates (if applicable).

    

11. Click the Next button.

12. Click the Accept button

13. Select each partition on the hard drive where you want to install Windows 11 26H2 and click the Delete button. (Usually, “Drive 0” is the drive that contains all the installation files.)

    

14. Select the hard drive (Drive 0 Unallocated Space) to install the operating system.

    

15. Click the Next button.

16. Click the Install button.

    

17. Choose your region setting on the first page of the out-of-the-box experience (OOBE) after the installation.

    

18. Click the Yes button.

19. Select your keyboard layout setting.

    

20. Click the Yes button.

21. Click the Skip button if you do not need to configure a second layout.

22. The computer will automatically connect to the network using an Ethernet connection. You must set up the connection manually on a wireless connection (a security key may be required).

23. (Optional) Confirm a name for the computer.

    

24. (Optional) Confirm the user folder name for your account.

25. Click the Next button.

26. Select the “Set up for personal use” option for Windows 11 Pro. This option is not available for the “Home” edition.

    

27. Click the Next button.

28. Click the Sign in button.

29. Confirm your Microsoft account email to create a Windows 11 account.

    

30. Click the Next button.

31. Confirm your Microsoft account password.

32. Click the Next button.

33. Click the Create PIN button.

34. Create a new four-digit Windows Hello PIN.

    

35. Click the OK button.

36. Choose your privacy setting that best suits your preferences.

37. Click the Next button.

38. Click the Next button again.

39. Click the Accept button.

    

40. Click the More options setting.

    

    Quick tip: You can also click the “Restore from this PC” button to restore your files, apps, settings, and credentials from the system backup available in your OneDrive account. You can learn more about the Windows Backup app in this guide.

41. Click the “Set up as a new PC” option.

    

42. Click the “Set up as a new PC” option again.

43. (Optional) On the “Let’s customize your experience” page, select one or more ways you plan to use the device to allow the operating system to suggest tools and service customization during this experience.

    

44. Click the Accept button to continue. Or click the Skip button to skip this part of the setup.

45. (Optional) Use the code to link your Android phone or click the Skip option.

46. (Optional) Use the code to download the OneDrive on your phone or click the Skip option.

47. Click the “Not now” button if you will be using a browser other than Microsoft Edge.

    

After completing the steps, Windows 11 26H2 will complete the clean installation on the computer.

Install Windows 11 26H2 using Insider Program

To upgrade to Windows 11 26H2 early from version 24H2 using the Windows Insider Program, follow these steps:

1. Open Settings.

2. Click on Windows Update.

3. Click the Windows Insider Program tab.

   

4. Click the Get started button.

   

5. Click the “Link an account” button.

   

6. Sign in with your Microsoft account credentials.

7. Click the Continue button.

8. Select the “Dev Channel” option under the “Pick your Insider settings” section.

   Quick note: Microsoft has updated the Windows Insider Program. Once you install the latest Windows preview, your devices will be enrolled in the Experimental experience for version 26H2.

9. Click the Continue button.

   

10. Click the Continue button to agree to the terms and conditions.

11. Click the Restart button.

12. Open Settings after the reboot.

13. Click on Windows Update.

14. Click the “Check for updates” button.

15. Click the Restart now button.

Once you complete the steps, the system will download and install the Windows 11 2026 Update. Additionally, the computer will continue to receive preview builds (approximately every week) from this channel, featuring new features, changes, and fixes.

Pureinfotech’s Take

I don’t see a compelling reason for most people to rush into Windows 11 26H2 right now. Since version 26H2 shares the same platform as 25H2, the experience won’t be dramatically different, and many of the features Microsoft is testing are likely to arrive on both releases anyway.

That said, if you’re someone who likes testing new features early or needs to validate software and hardware against upcoming releases, installing the preview can make sense. In my experience, Microsoft’s development builds have become more stable over the years, but they’re still preview software, and I wouldn’t run them on a primary computer unless you’re comfortable dealing with occasional bugs, errors, and changes.

The good news is that the upgrade path should be straightforward once the final version arrives. Because the company is continuing its enablement package strategy, I expect the transition from 25H2 to 26H2 to feel more like a regular cumulative update than a traditional feature upgrade.

Are you planning to install Windows 11 26H2 early, or will you wait for the official release? Let me know in the comments.