Update README.md

Author: elvirbrk

README.md

@@ -9,7 +9,8 @@ Based on NoteHighlight 2013 (https://notehighlight2013.codeplex.com) and Vanilla
 Syntax highlighting performed using https://github.com/andre-simon/highlight
 
 # Install
-To install just run MSI file from releases.
+To install just run MSI file from releases. For Office 64-bit use NoteHighlight2016.msi, and for Office 32-bit use NoteHighlight2016x86.msi.
+See [here](https://support.office.com/en-us/article/About-Office-What-version-of-Office-am-I-using-932788B8-A3CE-44BF-BB09-E334518B8B19?ui=en-US&rs=en-US&ad=US) how to check which Office version you have.
 
 # Usage
 1. Select language from menu