Desktops
Q: WHY WILL MY EARLY 2009 MAC PRO 2.66 GHz Quad-Core Intel Xeon NOT UPGRADE TO SIERRA
WHY WILL MY EARLY 2009 MAC PRO 2.66 GHz Quad-Core Intel Xeon NOT UPGRADE TO SIERRA
2.66 ghz Quad-Core intel xeon, Mac OS X (10.6.4)
Posted on Oct 6, 2016 4:08 AM
by Roger Wilmut1,Solvedanswer
iTunes
Your signature says you are running 10.6.4, Snow Leopard. If this is the case you need to update this to 10.6.8 in order to get the Mac App Store:
Mac OS X 10.6.8 Update Combo v1.1
Then you have to upgrade to El Capitan before you can upgrade to Sierra:
https://itunes.apple.com/app/os-x-el-capitan/id1147835434?mt=12
Posted on Oct 6, 2016 4:32 AM