The Z580 runs on Home Edition. The laptop features a 15.6 inch,HD LED Display and is powered by a 2.5 GHz with Turbo Boost Upto 3.1 GHz processor. To enhance multi-tasking and fast speed, the company has offered a 4 GB DDR3 RAM.
Talking about the storage, the laptop uses a 500 GB,5400 (RPM),SATA storage.The laptop has a 6 cell battery that will give enough battery life to the users.
Windows 7 Home Basic
Please Register your Warranty: http://support.lenovo.com/us/en/contactus/basewarrantyregistration, Warranty to be Registered within 30 Days from the Date of Purchase