hello @sugarcupcakes,
you can of course backup your collection on any support, DVD, Hardrive, USB Key or any other,
for get back on your laptop you just need to install, with your account name, the program VG with internet connection.
after is one question to say to the program where are your collection, the futur new version give this option and when you install the first time in one computer.
no forget to save also the folder Data.
ha yes last info, you can install 2 times, then no need to uninstall your principal computer.