I have snowleapard and want to upgrade to Lion, how?
I have read that I need to have snowleapard installed as to upgrade to Lion...and that I need to recieve an email as to be able to upgrade to lion for £19.99
Mac Pro, Mac OS X (10.6.8)
Read this tip to make sure you are ready
https://discussions.apple.com/docs/DOC-2465
And call the Apple Store to request the download be put in your App Store account.