Double-click on the file you downloaded. It will appear in the File Explorer. Click on the virtual disk, and then double-click either the Setup32.exe (32-bit version of Office) or Setup64.exe (64-bit ...
If you have ever copied or opened a Unix file in the Windows Notepad, you would have seen that the result is very ugly as all of the text appears as a mess on one line as Notepad does not recognize ...