I have two MacBooks - one is a mid-2012 model for use at home, and my other is my "spare" 2006 model black Intel Macbook that I use when I need Mac apps at work (I am working in a "Dell Shop" as per my hospital's IT director). I upgraded it a while back with a 60gb SSD, and as an extra machine it does a great job. I am fully aware that a 7-year old laptop will have limitations. I could live with not getting the upgrades to Mountain Lion and Mavericks. However, I have a question that I wanted to pose: Why can I use the versions of iWork available on the icloud.com site with no trouble - they actually run great...but am not allowed to install the full versions, which are identical? Are they coded as 64-bit? If so, again, I can live with that. If not, is there a workaround to be able to use them on older Macs? I have done as extensive a Google search on this but can't find anything - thanks for any information / advice / guidance.