If you have downloaded a INF driver file that doesn't have an installer package, you can manually install it using the .inf file. Here's how.

Locate the new MSI package installation file in Windows Explorer. Click the "Ctrl-C" keys to copy it to the Windows clipboard.

How you install a program from an ISO image will vary depending on which version of Windows you use. Here’s how to install it in Windows 10 and 11.