How to upgrade easily?

Thanks. Thats basically how I upgraded from 1.1 to 1.2 and it was completely painless, and it’s nice to have both versions installed if ever wanting to go back and try something in previous version. I followed the advice of @StevenSiew and @Tamas_Papp in these two posts in the " Julia v1.2.0 has been released" announcement thread:

and