I am trying to upgrade my desktop Pro from 2018 to 2020 - I really need help with this

Welcome to the Community, wally3.

Upgrading your QuickBooks Pro 2018 to 2020 is quick and easy. Since you're able to install the new version, let's restore and update your 2018 backup file.

Here's how:

1. Click File at the top menu bar and choose Open or Restore Company...
2. Select Restore a backup copy then click Next.
3. Then select the Local backup and hit Next.
4. Locate the saved backup copy and click Open.
5. When you're ready, select Save. If you see any messages about possibly overwriting your data, select the option that best fits your needs.

For detailed information about restoring a backup copy in QuickBooks, check this out: Restore a backup of your company file.

Here are some additional resources that will help guide you more about QuickBooks 2020:

• System requirements for QuickBooks 2020 and Enterprise Solutions 20.0.
• Release notes for QuickBooks Desktop 2020

I'll zip right back to you if there's anything else I can help you with. You have a wonderful day.