You can generate QR code free by using Microsoft Excel and google chart api. This way, you can create individual image of the QR and then put it in your worksheet.
With this, you can create QR Code in Excel without the need of additional Add ins or any fonts.

The Excel file used in this video: https://drive.google.com/open?id=1YQt...
Update:
Sori for the file can not be view. I don't know why maybe because it is xlsm type, so i made it rar with the password "april2017" here:
https://drive.google.com/file/d/1FyBy...