Upgrading from one version of Windows to another is usually seamless, you start the process and wait for it to finish. And while that’s usually the case, update issues can sometimes occur.

Namely, lots of users, after seemingly completing the installation, were prompted with the Windows installation has failed error. They had to start again but the results were the same.

This can be a problem, especially if you’re eager to try the new version of Windows, but luckily, there are several methods you can use to fix it in no time.
The “Windows 10 installation has failed” error is one of the most reported errors that users get when they try to install Windows 10. If you also encounter this exact error and have no clue what to do, you’ve come to the right place. In this post, we’ll walk you through the steps to fix the “Windows 10 installation has failed” error.