7-Zip Menu Shell Context FIX for Windows 7 (64 bits)

Here is the easy way to fix the Shell Menu for 7-zip

First execute or run with Admin right of the 7z920-x64.msi 

Secondly Click "REPAIR"

Finally Click Repair and wait the process to finish.

Check your Folder with new 7-zip Shell Menu.

 (Make sure you got select as picture below)

Done !

You can try with  Windows 7 - 32-bit. Good luck