windows 10 insider preview 21390.1 download

If you have set active hours, make sure your device is left turned on and signed in during your off-hours, so the update can install. Go to Settings > Update & Security > Windows Update and select Check for Updates. Go to Settings > Update & Security > Activation to make sure your copy is activated. Windows must be activated to run Windows Insider Preview builds. If you're having issues installing Windows 10, you can also download a Windows 10 Insider Preview ISO to get started. You can install Windows 10 here if your device is currently running an older version or if you need to buy Windows. To install Windows Insider Preview Builds, you must be running a licensed version of Windows 10 on your device. Check recent flight blog posts to see if you're impacted by a known issue. There may be an issue with the Insider Preview build you're on or the next build that prevents you getting new updates. Check Flight Hub to see what the latest build is for your channel. You might already be on the latest preview build for your channel. Check if you're already on the latest Insider Preview build.

If your device isn't receiving updates, check for these issues. If you install an Insider Preview build in one channel, and you want to switch to a different channel, you might need to do a clean install of Windows and reset your Windows Insider settings on that device. Under Windows Insider account, you'll see the account it's tied to. If you're on Windows 11, go to Settings > Windows Update > Windows Insider Program. If you're on Windows 10, go to Settings > Update & Security > Windows Insider Program.

Check which Microsoft Account (MSA) or Azure Active Directory (AAD) account you're using on your device.

Under Choose your Insider settings, you will see your current channel. Under Pick your Insider settings, you'll see your current channel. See all the ways you can check if your device is flighting. Or you can also type winver into your search and open it to see your latest Windows details, including OS build number. Go to Settings > System > About, and your OS build number will show under Windows specifications.

Find the build number your device is on currently.When giving feedback or getting support it can be important that you know how to find key information about your device.

Most issues are tied to specific builds, so this is the first place you should check if you're having problems. We document known issues for Insider Preview builds in our flight blog posts.

Windows 10 insider preview 21390.1 download