So, from what I have read and understood, you have until your 1 year anniversary to activate it - at which time it will automatically activate you. I downloaded the app, but haven't registered yet because I was worried it was going to activate me. You will still have 1 full year to use it from Activation!
I'm trying to get a little more information though, which museums/galleries etc. As for the Parks Canada... I'm not clear whether that's free admission to all Parks Canada across Canada? It specifies on the link
@rajkamalmohanram Alberta, Saskatchewan and Ontario Parks... I'm in Manitoba so I wanted to be able to take advantage of that at home too!