Create Windows 10 installation media on a bootable DVD or USB with the Media Creation Tool. Simply download and follow on screen instructions. This will also allow you to create an ISO for use with Virtual Box etc. You need to be running Windows 7, 8, 8.1 or 10 to use this version of the Media Creation Tool. On other computers you will be offered the ISO that you will need to burn yourself.

Microsoft Link: https://www.microsoft.com/en-us/software-download/windows10

Create Windows 11 installation media on a bootable DVD or USB with the Media Creation Tool. Simply download and follow on screen instructions. This will also allow you to create an ISO for use with Virtual Box etc. To do this you will need to be running Windows 10 or 11. On other computers you will be offered the ISO that you will need to burn yourself.

Microsoft Link: https://www.microsoft.com/en-us/software-download/windows11