4. What is the System Requirement for Longhorn?

At the time of beta 1, Longhorn requires 2.0 GHz processor and 1 GB RAM, in addition to ton of GB of hard drive space.

http://www.c-sharpcorner.com/Longhorn/Longhorn/LonghornIntroduction.asp

i read it there on that website. May be i interprited it wrong
or whatever but yeh i agree for heavy 3d graphics it will need
more ram , cant run on 512.