This will instruct you step by step how to clean the cookies, cache and browsing history. It is recomended you do this frequently to keep computer functionality at its best.
Step 1: Open "Settings"
Step 2: Open "History"
Step 3: Select "Clear Browsing Data"
Step 4: Confirm "Clear Browsing Data"
You are going to want to make sure that everything you want cleared is checked off in this window.