VST Instrument Sets Explained, Solving Problems

This is not a reply. I had issues with Windows 10 which had nothing to do with Steinberg Cubase. I installed Windows 7 and everything is good. My issues now, after installing Cubase Artist 9, I have VST Instruments Sets and Instrument Loop Sets I purchased which is listed on my elicenser and on My Steinberg account. How do I install my purchase’s in my daw?