I’ve been saying for years, water makes things wet, so one molecule of water is not wet, but once you have more than 1 the collection of them becomes wet.

I don’t know about the launcher, but I do know the that all storage is wiped in the process of switching over.

Discounting some minor comparability issues, the process just requires a computer, an internet connection, a cable, and the ability to read through a couple paragraphs of instruction.