Hello there, UDRC bookkeeper.

Yes, It will run on windows 11. The minimum system requirements for QuickBooks Desktop 2021, including Pro, can be found through this link:  System requirements for QuickBooks Desktop 2021. Please ensure to update your software to the latest release to get the most up-to-date features and fixes.

Here's how:

1. Go to the Help menu and select Update QuickBooks Desktop.
2. Select Update Now tab.
3. Click Get Updates to start the download.
4. Once the download is completed, restart QuickBooks.
5. When prompted, accept the option to install the new release.

You can review this article for more details: Update QuickBooks Desktop to the latest release.

In addition, I've included this resource in case you want to relocate QuickBooks to a different computer: Move or reinstall QuickBooks Desktop to another computer.

Feel free to reply to this thread if you have follow-up questions about the QuickBooks system requirements. I'm more than happy to help you.