I'm glad you reach out to us regarding your issue with QuickBooks installation. Let's get this working for you.
Did you received a specific error code or message when trying to install your QuickBooks Desktop? For now, you can try running the QuickBooks Install Diagnostic (QBInstall) tool. This is highly recommended to resolve common installation issues.
Close any open program, then run the QBInstall tool.
Once done, you can restart your computer to ensure components are properly updated. Allow me to share this article which provides steps on how to resolve common installation errors in QuickBooks Desktop: Fix common QuickBooks Desktop installation errors.
Let me know how the steps works for you. I'm still here whenever you need more help.