So this laptop is currently running windows 7 the copy ( it been on the laptop for over 4 years ) i am going to install a fresh copy of windows next week so am thinking should i install windows 7 again or install windows 8.1 ? it's a Toshiba Satellite L505-ES5018 laptop spec: Processor 2.2GHz Intel Pentium Dual Core T4400 Memory 3GB DDR3 SDRAM 800MHz Hard drive 320GB at 5,400rpm Graphics Intel GMA 4500M Operating System Windows 7 Home Premium