To install the downloaded ISO file on Windows 7, you need a program to open the file format without burning it to a disk.
You can open the ISO file with a free program like 7-Zip or WinRAR and start the installation by double-clicking on setup.exe.
You can download WinRAR here.
Windows 8/8.1 and Windows 10:
Unlike Windows 7, the newer operating systems already have a virtual drive integrated, so you don’t need another program to install the Office application.
To open the ISO file, please proceed as follows:
- Right-click on the downloaded ISO file and select “Open with”.
- Select Open with Windows Explorer to open the ISO file.
- The opened file will now appear, so that you can start the installation by double-clicking on the setup.exe file.