My Mum has a Mac - but it's too old (G4 emac) to activate an iPad (correct me if I'm wrong). If we get the ipad mail-order, will she be able to take it to a (UK) Apple Store and have them activate it?

Apple has urged users of iPhone 5s, iPhone 6, and other older devices to update immediately to maintain access to iMessage, ...

I need to wipe and restore this thing and haven't yet. Who has time? But I wanted to ask if anyone else had ever had this issue. This is a refurb Air 2 (cellular 128GB) that I bought in 2015 about 20 ...