How to run Windows 7 faster?

[ModeratorNA]

If you find your Windows 7 startup or shutdown slower then it may be due to overloading your registry and startup applications. Even if your registry is corrupted then also Windows 7 becomes slow and PC performance speed is hampered. To overcome this issue, clean the registry by any good registry cleaner utility which removes corrupted and unwanted registry entries. It also removes those applications from startup which are slow loading. Opening these applications may slow down the performance of the PC.
Cleaning system junk, Repairing registry, Defragmenting registry, Clearing browsers junk increases the speed of Windows 7 startup or shutdown.