If you want to protect your personal computer from unauthorized penetration by another user, then, first of all, you need to put a password.
It does not take much time and will protect important information for you.
How to put the password on the computer?
Go to the menu of the "Start" button. Then select "Control Panel", and in it - "Accounts". If you are a single computer user, then you have administrator rights, i.e. Unlimited power, so changing the password in terms of access to the system will be a trivial matter. Review the user logon settings. If the "Use the welcome page" option is checked, uncheck it. This will improve the security of your laptop.
In the list of accounts, select the user,On the account of which you want to change the password. Select it. Find the link "Change Password". A window will appear before you. In the line enter the new password and confirm it in the line below. This is necessary so that you do not enter an incorrect password, which you can not use later. To first remember the password on the laptop, write it to some place that is accessible only to you.
Use the command line to change the password. To do this, enter the menu of the "Start" button. Then click on "Run". A command line appears before you. Type cmd in it and press Enter. Another command line appears.
To change the password on the laptop, enter itThe following: net user username password. This is just an example. This phrase needs to be adjusted. Instead of username, enter the user name, instead of the password, enter the password. Then press Enter. If you did everything correctly, the line should read: "The command was executed successfully".
Use the third option to change the password forYour personal computer. Go to the Start menu, click Run. At the command prompt, type control userpasswords. You will see an account management window in which you can, at your discretion, assign any password to any user.