[quote=433242:@Dave S]will let you compile in any earlier version for which you had a license at that time.
I don’t think you can download (to compile) a version previous to your first license[/quote]
I started with Xojo 2017r1.1 and bought a license, never heard of Xojo before.
Just downloaded Xojo 2015r2.4 and was able to build a sample app.