Computer history is a record of documents and web browsing.

First, delete the document history. When the computer is on the desktop, right-click, start, select Properties, customize, and then click Clear List to confirm the advanced tab.

Second, delete web browsing records. When the computer is on the desktop, select the browser and right-click the properties in the drop-down menu, and the Internet will appear. Select content, autocomplete, set and delete autocomplete history, and then confirm.