Sort:  

Yes, too outdated. I am on OSX 10.6.8 and many apps/websites will not load correctly. They tell me so. Not all, but some. I think I got the push to talk set up and will test it out soon.

Ahh, just did some research since I've never used a Mac, maybe this could help you (if you have 4 gb ram) https://discussions.apple.com/thread/7826116