How to close a programs in Windows 10 and Windows 8 using the Windows Task Manager

To terminate, or close, a program in Windows 10 and Windows 8, you should press the Ctrl+Alt+Delete keyboard combination on your keyboard to open the Windows security screen.

Windows 10 Security Screen

At the security screen, shown above, click on the Task Manager button. This will launch the Windows 10/8 Task Manager as shown below.

Windows 10 Task Manager

You now want to click on the More Details option to show the full list of running processes.

Windows 10 Task Manager More Details

Select the process, or program, you wish to terminate by left-clicking on it once so it becomes highlighted as shown in the image above. Once you select a process, the End Task button will become available.

To terminate the program, click on the End Task button and the program will be terminated.

How to close a program in Windows 7 using the Windows Task Manager

To close, or terminate, a program in Windows 7, you should press the Ctrl+Alt+Delete keyboard combination on your keyboard to open the Windows 7 security screen.

Windows 7 Security Screen

At the security screen, shown above, click on the Task Manager button. This will launch the Windows 7 Task Manager as shown below.

Windows 10 Task Manager

You now want to select the process, or program, you wish to terminate by left-clicking on it once so it becomes highlighted as shown in the image below.

Windows 7 Process Selected

Once you select a process, the End Process button will become available. To terminate the program, click on the End Process button and the program will be terminated.