Here is one of the most insightful install vids I could find via bing link.
Worked for me.
https://www.bing.com/videos/search?q=startup+to+ghidra+win+10&&view=detail&mid=DE6EAD46713D0125FA3EDE6EAD46713D0125FA3E&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dstartup%2Bto%2Bghidra%2Bwin%2B10%26FORM%3DAWVR