Upgrading to QuickBooks Desktop (QBDT) Pro 2021 from QuickBooks Premier Contractor 2014 on a new Windows 11 Pro computer is a significant step, and it's great to see you taking proactive measures, Lioninstreet. Allow me to address your question about restoring your company file data.

Yes, you're right that upgrading to QuickBooks Desktop Pro 2021 will result in the loss of contractor functionality. However, restoring your basic company file data from your QuickBooks Premier Contractor Edition should not pose any issues.

For more detailed information, refer to this article: Company file compatibility with QuickBooks Desktop when upgrading.

You can download QuickBooks Desktop Pro 2021 easily. The steps are straightforward, ensuring you have everything you need to get started right away.

You can also refer to this article to help track your payroll and employee expenses in QBDT by focusing on the most essential information for your business: Customize payroll and employee reports.

Remember, if you encounter any issues or need clarification at any point while upgrading to QBDT Pro 2021, we're just a message away. Have a great day!