What if the Mac App Store doesn’t recognize my previously purchased software as installed?
You’ll have to be careful not to purchase the software until you decide that you want to opt into the Mac App Store ecosystem, perhaps when there is a major new version or the developer has a fire sale. Many developers have stated that they will maintain separate, non-Mac App Store versions of their apps and update them, at least for some time, for users who cannot or do not want to buy into the Mac App Store. A few developers, though, have moved their apps exclusively into the Mac App Store, and significantly slashed their prices, at least for a limited time, to help with the transition.
