Hi, Ads Suck .

I appreciate the time for letting us know the results of the steps you've done.

I understand that you wanted to upgrade your QuickBooks to 2021 but the website is not working. I recommend you contacting our Customer Service Support to help you.

Before that, you can check this link QuickBooks Pro 2021 if this is working, if not you can now contact our support team.

Here's how:
 

1. Open QuickBooks Desktop account.
2. Go to Help, then select QuickBooks Desktop Help.
3. Select Contact Us.
4. Give a brief description of your issue, then select Let's talk, and then choose a way to connect.

I've also included this article that will help you on how to Download QuickBooks Pro 2021.

Please let me know if you have additional questions in upgrading QuickBooks. I'm always here to help.