I'll make sure you can reactivate your account, JT_EQ.
I appreciate the steps you've performed with activating your QuickBooks Desktop 2021. Since the issue persists, I recommend contacting our Customer Care Team. They have full access to your account and can provide you with the key.
Here's how to reach them:
1. Open QuickBooks.
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. Phone support may be limited due to volume.
You can check out this article for our most updated contact information and scheduled hours: Support hours and types.
Once you have the code, you can now enter it into the program.
Additionally, this link will direct you to another article that offers pointers on activating your account: Activate QuickBooks Desktop for Windows.
Please keep in touch with me here so I can ensure you're able to activate QuickBooks. The Community will always have your back.