I upgraded to QuickBooks Pro 2018 recently. I had to contact the QuickBooks support team as I was adding a second user on a different PC. Although it took a bit longer than I was expecting to get it set up, there were some technical issues associated with my pc. In fairness to the guy from QuickBooks, he stuck with it until he got it working and was very pleasant and professional throughout. Very happy with my QuickBooks 2018 now.