Once installed, you can now restore the back up copy of company file from the old location to the new computer. Here's how:
Go to the File tab, and go to Open or Restore Company.
Select Restore a backup copy,then Next.
Choose Local Backup, then Next.
From the Look In drop-down, browse the location of the backup file.
Click the backup file from the folder. The file name should appear as [Company Name].qbb.
Hit Open, then Next.
From the Save in drop-down, locate the location where you want to save the restored file.
In the File name field, type a new file name then Save.
In case you get installation issues along the way, you can follow the solutions outlined in this article: Using the QBInstall tool.
If you have any questions or need further help with anything in QuickBooks, let me know by leaving a comment below. I'm here to share and provide additional assistance with the installation. Have a lovely day!