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

install it
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
thank you