Go to https://github.com/VFPX/VFPInstallers There is a link in the document to download the iso file. Follow the instructions in the above link to update VFP to the latest version - 09.00.0000.7423 Install it with your key (or google it)
Check our wOOdy's blog post here https://woody-prolib.blogspot.com/2018/12/how-to.html and see this video by Rick Shummer https://www.youtube.com/watch?v=LoZZuw3ggM8 to see on how to copy this installation to a new machine without having to go through the above hassles !
I have never 'installed' VFP9 for the past many years - just 'copied'.
Long Live Foxpro :)
Ajit