Let me provide you with some information on how long it takes to install on your computer, jc2629.

Aside from the file size, the time is determined by the speed of your internet connection and the speed of your computer (disk, memory, CPU speed, and the data set). Technically, the actual installation may take about 45 minutes to 1 hour, but sometimes it takes a little bit longer. You'll want to make sure that your computer meets the minimum requirements to run QuickBooks Desktop smoothly and at a faster speed. I've added these articles for your reference: System Requirements for QuickBooks Desktop 2020, 2021 and 2022.

You may run into trouble when you install the software. Go through this article in case you happen to see errors: Fix QuickBooks Desktop Install Errors. 

Let us know if you have any concerns about the installation on your second computer. We're here to help.