Thanks for joining us here, @zobdoc.

You can reinstall your QuickBooks Desktop on your laptop. You may follow the steps below for the installation process.

1. Download your version of QuickBooks Desktop.
2. Have your product and license number.
3. Open the file you downloaded.
4. Follow the onscreen instruction.
5. Accept the software license agreement, then select Next.
6. Register your Product and License numbers.
7. Click  Next.

To continue the process, you can check out this article: Install QuickBooks Desktop and proceed to Step 3.

I've also included an article that will help you in restoring your company file: Restore a backup company file.

If you're having trouble opening your file, you can always reset your password to start working in your book.

Feel free to tag me if you have additional questions in installing your QuickBooks. I'll be around to help.