Jumping in the thread to quickly answer your question about moving your company file, needtoknow20.
When creating the backup copy, save it on a flash or an external device. Then, plug it in your new laptop so you can restore it in your QuickBooks 2021. You can also follow these steps on how to restore the file:
Open your QuickBooks 2021.
Go to the File menu and select Open or Restore Company.
Click Restore a backup copy,then click Next.
Select Local Backup and then Next.
Look for the external drive where the file is saved. Then, browse your computer for your backup company file. It should look like this: [Your company name].qbb.
Select a folder to decide where to save your restored company file. Then click Open.