I migrated from an older MacBook to this one and now find that this MacBook doesn’t recognize my ownership of PopClip. (pretty positive that I did not purchase PopClip via the App Store, by the way.)
Do you have a rough idea when you bought it?
I sold a handful of copies via FastSpring in 2011, but that storefront has been closed down for 10 years now. Also there was a “bundle deal” with StackSocial in November 2013. Apart from that, every sale has been on the Mac App Store.
If you did buy it on the Mac App Store, signing in and going to the PopClip page should show the option to download.
Otherwise, best to email me (email@example.com) and we can figure it out.
I’ve send you an e-mail. thank you!