1. In the WMP player, click Tools → Options → Privacy in turn, and click the Clear History button to delete the information stored in the open and open URL dialog box in the file menu; Click "Clear CD/VCD" to delete all storage media information of played CDs and DVDs.

2. Clear browser history, cache and Cookie, which can be found in browser settings. Clear the history of the operating system, temporary files and recycle bin, which can be found in the cleaning tool of the operating system.

3, some traces of the use of computer applications, we can directly open the application settings, click in to find the use history and traces of cleaning software. Open the garbage cleaning function and usage trace cleaning function of Tencent Computer Manager, and directly open the scanning computer cache garbage, which can clean up some usage traces.

4. Click Start Menu, Customize and Advanced, and then click the Clean button to clean up all the recently visited documents. As shown in figure 2.

5. Clear the recently used document record key, click the Start button, select Properties, click the Customize button in the pop-up Settings Taskbar and Start Menu Properties dialog window, and click the Clear List under the Advanced tab in the Customize Start Menu dialog box.