Better Performance, Even on Older/Underpowered Laptops
uses even less memory than does Windows 7. Microsoft illustrated how the first Windows 7 release , while Windows 8 uses slightly more than half that, or 281 MB. This means you can run Windows 8 on an older netbook (with just 1GB of RAM) and see better performance on your powerful laptop.
Multiple Monitor Support
Windows 8's improved hardware support includes more features for those of us who use multiple monitors, such as better taskbar handling. This is a real boon for laptop users, who really benefit from the additional screen real estate.
Improved Security