Many people who have a personal computer at their disposal, of course, have repeatedly thought about the security of their data stored on it. The main problem for the information machine is, of course, viruses, but no antivirus program will save you from unauthorized use of personal data by a real user.
What to expect from uninvited guests in your computer?

If your computer does not have a password when you log in, every person who has access to it can freely use all the installed resources. Thus, anyone can change your settings, copy or delete important information for you. The best solution in this matter may be a password to enter the system. Wanting to protect personal data stored on a computer, people often ask themselves the question: "How to password-protect the entrance to the computer?"
Get on with it
In fact, the process is not difficult, this article will provide several options for setting a password for various operating systems. The most common and well-known operating systems are Mac OS,Windows XP OS, Windows 7 OS and Windows 8 OS.
How to password-protect a computer on "Windows X-Pi"?

Initially, in this operating system, all users have the same access to computer resources at the administrator level, in order to change this and reserve this right only, you need to make changes to the "Admin" account. How to do it? In the lower left corner in the "Start" you need to select the "Control Panel" section, after which an image with a choice of categories will appear on the screen. Select the "Accounts" category by clicking on it. Next, you should change the settings in the accounts, for this you need to click on the "Change account" task. Two account icons will appear on the screen, one of them is "Admin", if you have not previously replaced this name with your own, and the second is "Guest". It is also possible to use a guest account in such a way that other users can use your computer, but only with limited capabilities. Next, you need to select the desired account by clicking on it, and in the list of operations that appears, select the "Create password" item.
What is important to know about the password

Be sure to come up with a password for yourself that is easy to remember, or if everything simple is not for you, then write it down for yourself, somewhere, for safety. If you forget your password, you simply won't be able to log into your computer. By the way, here, after the password is entered and confirmed, the system will askyou have to enter a hint to it. How to change the password? There is also a "Change password" item in the list of operations with a user account, so you can do this at any time.
Windows 7 operating system

How to password-protect a computer on "Windows 7"? As in "Windows X-Pi", you need to perform the same operations to go to the "User Accounts" category. First you need to go to "Start", then click on "Control Panel" and select "User Accounts and Family Safety" in the list of categories. In this operating system, the creator offers two sub-items in the account category, one is almost identical to previous versions of Windows. It's "Creating and deleting user accounts" and the second one is "Set parental controls for all users". In the latter, you can also set up time limits, access to games, etc. How to make a password? If you click on the administrator icon, a window with a list of suggested operations will appear. Select the "Create password" operation, after which the system will prompt you to enter the password you have created and confirm it. Then it remains only to click on the "Create password" button. There is also a hint option here, you can enter it if in doubt.

Password for "Windows 8"
This operating system is a little different, it looks toodifferent from all previously released versions, so the password setting process will be slightly different. Despite this, the eight is not at all alien to password protection. Nothing will be difficult. How to password-protect a computer? You need to move the mouse cursor up or down the right corner of the screen, and a menu will appear in which you need to select and click on the “Settings” icon. In the proposed list of operations, select the item "Change computer settings". Next, the system will prompt you to make a choice in the computer settings. We find the category "Users", then "Create a password" and in the window that opens, enter our cherished letters and numbers.
Protection for Mac computers

Users of Apple devices, most likely, would also not refuse to protect their personal data by setting a password to enter the computer. To set a password in the MAC operating system, it is necessary to perform certain operations in the user account settings in the same way as in all other systems. To find this section, you first need to call the main menu of the operating system. To do this, you need to click on the Apple logo located in the upper left part of the screen. Next, from the listed categories, select the "System Settings" section. Already in the system settings, you will be given the opportunity to select the "Accounts" category located in the "System" section. The "Accounts" category is closed by default forediting, and this is indicated by the lock icon at the bottom of the pop-up window. You must click on the lock and enter the administrator password. Next, you need to select an entry to edit and use the "Change password" option to replace the existing password with a new one. Then confirm your changes by clicking on the "OK" button.
This article provided instructions for setting passwords for the most current operating systems at the moment. Now you know how to password-protect a computer and you can safely set and change passwords on your computer, thereby protecting your "information brainchild" from prying eyes and hands.