Upgrade from Snowleopard to Yosemite

Hi guys,

I have a late 2008 Mac Pro that I need to upgrade to Yosemite because some newer apps would not run on the Snowleopard. I looked for Yosemite, but it's not in App Store. It's not on the legacy OS X page either.

http://www.apple.com/shop/help/downloadable_software?afid=p231|camref:1101lmYI&cid=AOS-US-AFF-PHG

After some research I found that I need to find a friend who has previously downloaded Yosemite and have him/her to download the Yosemite from the...

Upgrade from Snowleopard to Yosemite