Works perfectly, it was a bit of work but totally worth it. Only reason someone gave a lower star is due to the complexity but it’s not the sellers fault.
1. Open voucher and copy redemption code
2. Go to web link provided on the voucher or email from Groupon.
3. Uninstall Microsoft office . For Mac this was hard part. Google this step or follow a YouTube video.
4. Follow the installation steps provided by the seller. Yes all of them.