Our friends at Winreview has posted lot of screenshots showing Windows 8 upgrade from Windows 7. This is the first time we are seeing Windows 8 being shown on the next version of Windows.The installation screenshots gives a Metro feel which should not come as a surprise as we have already seen Microsoft implementing Metro UI in most of the future products. Regarding the Windows 8 compatibility, winreview reads that all the systems capable of running Windows 7 ultimate should run Windows 8 easily.
Further adding to it, these screenshots belong to Build 7955 contrary to what some bloggers are reporting that it belongs to Build 7971.
You may check the full set of screenshots here-