12. Carefully Browsing Internet
When you browsing the internet many types of the virus may attack your computer. Many websites you browsing a then automatic open new tab and you need quickly cloze the tab, Because this way your pc may corrupted your file.
13. Use a Decent Internet Browser
Many people still use Safari, Dragon, Internet Explorer, UC. My personal recommendation is to use Google Chrome, or Mozzila Firefox these browsers most secure and fast.
And save your password and a lot of information stay safe. This you can protect the computer.