System Upgrade Guidelines

Here are some general guidelines to help you determine if your computer can be upgraded.

NOTE: Although the specifications listed below are the recommended minimums from Microsoft and Apple, we recommend that you make sure your hardware exceeds these minimums in order to achieve better performance.

Operating System Minimum MHz Minimum RAM Minimum HD Size Free space needed on hard drive to install
Windows XP Professional Pentium II 333 MHz 128 MB 4 GB 1.5 GB
Windows 7 Enterprise 1 GHz or faster 1 GB (32-bit) / 2 GB (64-bit) 40 GB 16 GB (32-bit) / 20 GB (64-bit)
OS X v10.6 (Snow Leopard) Intel-based Macintosh 1 GB   5 GB
OS X v10.7 (Lion) Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon 2 GB   7 GB

For more detailed information on installation requirements, check out the Macintosh Support page.

Note: ITS does not provide support for Windows 95, Windows 98, Windows Me, Windows Ce, Windows NT, or any Macintosh operating system older than OS X 10.2

Software Minimum MHz Minimum RAM   Operating Systems Free space needed on hard drive
Office 2007 Enterprise Pentium III 500 MHz 256 MB Windows XP*SP2 or later 2 GB
Office 2010 Professional  Pentium III 500 MHz 256 MB Windows XP*SP3/Vista*SP1/7   3.5 GB
Office 2008 for Mac G4 (500 MHz), G5, Intel-based Macintosh    512 MB OS X v10.4.9 or later 1.5 GB
Office 2011 for Mac Intel-based Macintosh 1 GB OS X v10.5.8 or later 2.5 GB

Microsoft page with catalog of all products and system requirements 


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Northern Arizona University strives to support and maintain different operating systems for both Mac's and PCs alike.