To open downloaded .rar or .zip file you need to unarchive it with winrar program.
Password for archive is : 1today
You can download winrar from our server: https://www.elektroserving.com/download/wrar540.exe
1. after that create a new folder on the desktop with name microsoft.
2. open the downloaded product with winrar and drag All files to created folder
3. run setup from folder from the desktop
if you have any question just let us know