ASUS Silver 15.6" K53E-RIN5 Laptop PC with Intel Core i5-2450M Processor and Windows 7 Home Premium with Windows 8 Pro Upgrade Option Posted on July 2, 2012 by Walmart.com ASUS Silver 15.6" K53E-RIN5 Laptop PC with Intel Core i5-2450M Processor and Windows 7 Home Premium with Windows 8 Pro Upgrade Option $500.00