How to speed up win7 startup speed through software

Now we will use the software such as 360 to speed up the startup of the computer, but sometimes it is not necessarily perfect, there are some acceleration methods we do not know. And here is to share one of the acceleration methods.
1
Click Start and type regedit in the search box. Enter the registry
2
and then navigate to: HKEY_LOCAL_MACHINE→SYSTEM→CurrentControlSet→Control→Session Manager→Memy Management→PrefetchParameters.
3
Then find and double-click "EnablePrefetcher" in the right window, in the pop-up dialog box, the system default value "3", modify "ld"; & 0&quo;; save the settings and exit.
Click the Start button and enter “msconfig” at the bottom of the Start menu to open the system configuration options and switch to the "Boot" tab and click the "Advanced Options" button.
2
Click the Start button and type "<;msconfig” at the bottom of the Start menu to open the system configuration options and switch to the "Boot" tab and click the "Advanced Options" button.
3
If you are a dual-core user, you can tick the number of processors and change the number below to “2”.
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After the modification is completed, click the <;OK” button to save the settings and exit.