Most operating systems give you the option of creating a different user account for each user. If you’re worried that your child may accidentally access, modify, and/or delete your files, you can give them a separate account and decrease the amount of access and number of privileges they have. If you don’t have separate accounts, you need to be especially careful about your security settings. In addition to limiting functionality within your, avoid letting your browser remember passwords and other personal information. Also, it is always important to keep your virus definitions up to date.