Unable to update to Xcode 8.3

Question

When I tried to update to Xcode 8.3, the following happened in App Store (it has been like this for over an hour):

So it just says \"loading\" and nothing happe

Answer 1

wait for 8-10 minutes without pressing pause or cancel or so. just wait. and it will start while you eating popcorn.

even though it not started to update and stuck at 0kb, the term you have to focus is "patience".