News, Software Windows 7 Upgrade Chart by Joe C on August 10, 2009Add Your Comments Tweet If you want to see visually the mess upgrading to Windows 7 entails, this chart is an eye-opener. Ubuntu anyone? Related posts: Windows 7 - Reader Upgrade Rate Windows 7. A Compelling Upgrade From Vista? Windows 7 - One Person's View Windows 7 - Take Your Pick! Windows 7 - Just a Question of When