What required when Upgrade to OS X Yosemite

What required when Upgrade to OS X Yosemite

Yes, you can upgrade to Yosemite on your early 2008 (or newer) Mac Pro for free.  You can upgrade it from the following Operating Systems:

• Operating System X = Snow Leopard (v10.6.8)
• Operating System X =  Lion (v10.7)
• Operating System X =  Mountain Lion (v10.8)
• Operating System X =  Mavericks (v10.9)

The general requirements to upgrade are the following:

• Operating System X v10.6.8 or later
• 2GB of memory
• 8GB of free storage

• Some features may require an Apple ID and terms may apply.
• Some features need a well-matched Internet service provider; fees may apply.

To make HD video calls, you will need a built-in FaceTime High Definition camera and it requires a 1Mbps up- and down-stream internet connection.  To receive High Definition video calls, you need to have an Intel-based supported Mac.

It supports current Boot Camp installations from Windows XP with Service Pack 2, Windows Vista or Windows 7.  If you want a new Boot Camp installation, you will require Windows 7 or 8 which is sold separately.

If you want to use Time Capsule, you will need an extra hard drive or an AirPort Time Capsule which is sold separately.