Windows 7 pre-installed on your computer along with its accompanying set of applications can run much longer than the system installed without any additives. In extreme cases, the software "crapware" (system tools, trial versions, etc.) increases the start-up Windows 7 for 2 minutes. It follows as a series of tests conducted by PC Pro magazine editors. They studied the speed of running Windows 7 notebooks in nine companies Acer, Apple, Asus, Dell, HP, Lenovo, Samsung, Sony and Toshiba.