Tutorial 3 ways to lock the computer on Windows 8 / 8.1:
Option 1: Lock the computer by using the user icon on the Start screen.
On the Start interface, click the user/administrator icon (here refers to administrator1) in the upper right corner and select Lock from the list.
Method 2: Lock the computer from Ctrl + Alt + Del.
Press Ctrl + Alt + Del, and choose Lock from the options.
Method 3: Lock the computer in the system settings
Step 1: Open the Search bar, enter the system in the box, and select Settings.
Step 2: From the search results on the left, choose Lock the computer when I leave it alone for a time to continue.
Step 3: When the Monitor Setup Setup window arises, click the down arrow below Screensaver to choose the type of screen saver and click OK to finish the installation, as shown in the figure.
Note: Although this method can lock the computer after you leave the program for a short time, it is mainly applied to protect the computer screen and will not require to enter a password.
Are you still hesitant about whether to lock your Windows 8 / 8.1 computer? Stop hesitating. Protect your computer data is a top priority.