Right-click on the ISO image file and choose mount from the menu. This will open the file much like a DVD. You will see it listed among your drive letters in Windows explorer. Browse to the location of the setup file and double-click it to start your installation.
For this version of Windows, you will need to extract the files from the ISO image. This is similar to unzipping a .zip file.
You can extract the files to a folder on your hard drive using a program such as WinZip or 7zip. If using WinZip, right-click on the ISO image file and choose one of the extract options. Then browse to the location of the setup file and double-click it to start your installation.
The steps to start your software installation are very basic, please consult your WebStore order history and your software order for links to installation instructions for your specific software.
You may also want to burn the ISO image file to a DVD as a backup copy of your software. You can do this in Windows 7 and newer by right-clicking the ISO image file and choosing Burn Disk Image.