How to configure your computer's win7 function

The win7 system has a lot of functions, and if we don't configure these functions, we will start a lot of functions when we boot, and these functions will take up a certain amount of memory, so how can we configure our own computer? Let those for us The functions used are turned off.
1
Win7 boot function can also be said to be the boot start item
Under normal circumstances, we have to change the boot start item to 360 security guards boot start service and startup items combined settings
2
You can also use the function of win7 itself to set up
Click to start, find and double-click to control the desktop, and then find the function to turn Windows 7 on or off.
3
For those who are not familiar with this aspect,
You can move your mouse to this "function folder", and the relevant help text will appear immediately.
4
For example: the printer is useless to you
such as “Print and File Service", directly remove the previous “√” If you want to restore this feature, use “√” again.