Learn how to speed up your PC running Windows 7 or Windows Vista.Update now to Windows 8.1 for free. Close. Windows XP support has ended.Stop all unneeded background processes. Look at the right corner of your Taskbar, to the left of the time,date, and essential system icons. How fast your computer starts up depends on several things, including the storage space and memory by uninstalling programs that you don't use.How to speed up Windows 7 and 8: Free up disk space.How to speed up a PC or speed up a laptop. Free software tweaks to speed up Windows, and the best hardware upgrades to boost your PC.Free applications can easily replace go-to programs, while speeding up your PC and giving you additional features at the same time.Follow these simple steps to speed up your computer and get it back to running as fast as the day you purchased it.