I found some methods on the internet and copyed them.

Do the following to make your PC Fast

Do 1

1. Turn on your computer, and hold down delete.
2. In the BIOS window, look for the Boot Menu option.
3. Choose the QUICK BOOT to turn off memory test
.4. Make sure the hard drive comes first in the BOOT ORDER.
5. Turn off any logo displays.
6. Restart

Do 2

1. Open your Start menu.
2. Click Run
3. In the command screen type msconfig
4. In the system configuration utility,click either BOOT tab.
5.In the boot menu, change the default setting for Time Out from 30 to 5 seconds.

Do 3

1. Click the Start button.
2. In the Start Search bar, type control userpasswords2
3. Load the User Accounts window
4. Uncheck User must enter user name passwords...
5. Click Apply

Do 4

1.Click Start button and load the Control Panel
2. Under the Control Panel menu, click Programs.
3. Under the Windows Defender heading choose View currently running programs
4. Choose Startup Programs from the Category option
5. Remove Programs that you feel unnecessary for startup

Do 5

How to disable this indexing service
1. Click on Start
2. Click Run
3. Type services.msc
4. Select Indexing Service and Double click on it.
Select Manual under Startup Type.
5. Click Stop
6. Click OK