In Windows it is possible to mount an ISO file as a drive letter. This allows you to access all the files on it and install software from it just like a normal CD or DVD inserted into your computer.

Do you want to install the latest build of Windows 10 using an ISO? Then use this guide to turn the install.ESD file into an installation media with the most current version of the operating system.

Now that Microsoft has finally released an ISO file for the Windows 11 Insiders Preview, you can download and store it so it’s readily accessible. Here’s how.