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Windows Task Manager: The Complete Guide

Processes tab in Windows 10's Task Manager

The Windows Task Manager is a powerful tool packed with useful information, from your system’s overall resource usage to detailed statistics about each process. This guide explains every feature and technical term in the Task Manager.

This article focuses on Windows 10’s Task Manager, although much of this also applies to Windows 7. Microsoft has dramatically improved the Task Manager since the release of Windows 7.

How to Launch the Task Manager

Option to launch Task Manager from Windows 10's taskbar

Windows offers many ways to launch the Task Manager. Press Ctrl+Shift+Esc to open the Task Manager with a keyboard shortcut or right-click the Windows taskbar and select “Task Manager.”

You can also press Ctrl+Alt+Delete and then click “Task Manager” on the screen that appears or find the Task Manager shortcut in your Start menu.

The Simple View

Task Manager's simplified application management view

The first time you launch the Task Manager, you’ll see a small, simple window. This window lists the visible applications running on your desktop, excluding background applications. You can select an application here and click “End Task” to close it. This is useful if an application isn’t responding—in other words, if it’s frozen—and you can’t close it the usual way.

You can also right-click an application in this window to access more options:

While the Task Manager is open, you’ll see a Task Manager icon in your notification area. This shows you how much CPU (central processing unit) resources are currently in use on your system, and you can mouse over it to see memory, disk, and network usage. It’s an easy way to keep tabs on your computer’s CPU usage.

To see the system tray icon without the Task Manager appearing on your taskbar, click Options > Hide When Minimized in the full Task Manager interface and minimize the Task Manager window.

The Task Manager’s Tabs Explained

Viewing app resource usage in the Windows Task Manager

To see the Task Manager’s more advanced tools, click “More Details” at the bottom of the simple view window. You’ll see the full, tabbed interface appear. The Task Manager will remember your preference and will open to the more advanced view in the future. If you want to get back to the simple view, click “Fewer Details.”

With More Details selected, the Task Manager includes the following tabs:

Managing Processes

Apps and background processes in the Task Manager

The Processes tab shows you a comprehensive list of processes running on your system. If you sort it by name, the list is broken into three categories. The Apps group shows the same list of running applications you’d see in the “Fewer details” simplified view. The other two categories are background processes and Windows processes, and they show processes that don’t appear in the standard simplified Task Manager view.

For example, tools like Dropbox, your antivirus program, background update processes, and hardware utilities with notification area (system tray) icons appear in the background processes list. Windows processes include various processes that are part of the Windows operating system, although some of these appear under “Background processes” instead for some reason.

Option to restart Windows Explorer in the Task Manager

You can right-click a process to see actions you can perform. The options you’ll see in the context menu are:

You should not end tasks unless you know what the task does. Many of these tasks are background processes important to Windows itself. They often have confusing names, and you may need to perform a web search to find out what they do. We have a whole series explaining what various processes do, from conhost.exe to wsappx.

Available columns on the Task Manager's Processes tab

This tab also shows you detailed information about each process and their combined resource usage. You can right-click the headings at the top of the list and choose the columns you want to see. The values in each column are color-coded, and a darker orange (or red) color indicates greater resource usage.

You can click a column to sort by it—for example, click the CPU column to see running processes sorted by CPU usage with the biggest CPU hogs at the top. The top of the column also shows the total resource usage of all the processes on your system. Drag and drop columns to reorder them. The available columns are:

When you right-click the headings, you’ll also see a “Resource Values” menu. This is the same option that appears when you right-click an individual process. Whether or not you access this option through right-clicking an individual process, it will always change how all processes in the list appear.

Task Manager Menu Options

The View menu in the Task Manager

There are also a few useful options in the Task Manager’s menu bar:

Viewing Performance Information

CPU usage statistics on the Task Manager's Performance tab

The Performance tab shows real-time graphs displaying the usage of system resources like CPU, memory, disk, network, and GPU. If you have multiple disks, network devices, or GPUs, you can see them all separately.

You’ll see small graphs in the left pane, and you can click an option to see a larger graph in the right pane. The graph shows resource usage over the last 60 seconds.

In addition to resource information, the Performance page shows information about your system’s hardware. Here are just some things the different panes show in addition to resource usage:

Minimal floating CPU usage overlay in the Task Manager

You can also turn this into a smaller window if you’d like to see it on screen at all times. Just double-click anywhere in the empty white space in the right pane, and you’ll get a floating, always-on-top window with that graph. You can also right-click the graph and select “Graph Summary View” to enable this mode.

Windows 10's Resource Monitor showing CPU usage of processes

The “Open Resource Monitor” button at the bottom of the window opens the Resource Monitor tool, which provides more detailed information about GPU, memory, disk, and network usage by individual running processes.

Consulting App History

The App History tab in Windows 10's Task Manager

The App History tab only applies to Universal Windows Platform (UWP) apps. It doesn’t show information about traditional Windows desktop apps, so most people won’t find it too useful.

At the top of the window, you’ll see the date Windows started collecting resource usage data. The list shows UWP applications and the amount of CPU time and network activity the application has generated since that date. You can right-click the headings here to enable a few more options for more insight about network activity:

Controlling Startup Applications

The Task Manager's Startup manager tab

The Startup tab is Windows 10’s built-in startup programs manager. It lists all the applications that Windows automatically starts for your current user account. For example, programs in your Startup folder and programs set to start in the Windows registry both appear here.

To disable a startup program, right-click it and select “Disable” or select it and click the “Disable” button. To re-enable it, click the “Enable” option that appears here instead. You can also use the Settings > Apps > Startup interface to manage startup programs.

At the top right corner of the window, you will see a “Last BIOS time” on some systems. This shows how long your BIOS (or UEFI firmware) took to initialize your hardware when you last booted your PC. This will not appear on all systems. You won’t see it if your PC’s BIOS doesn’t report this time to Windows.

As usual, you can right-click the headings and enable additional columns. The columns are:

Checking on Users

Multiple users on the Task Manager's Users tab

The Users tab displays a list of signed in users and their running processes. If you’re the only person signed into your Windows PC, you’ll see only your user account here. If other people have signed in and then locked their sessions without signing out, you’ll also see those—locked sessions appear as “Disconnected.” This also shows you the CPU, memory, disk, network, and other system resources used by processes running under each Windows user account.

You can disconnect a user account by right-clicking it and selecting “Disconnect” or force it to sign off by right-clicking it and selecting “Sign Off.” The Disconnect option terminates the desktop connection, but the programs continue to run, and the user can sign back in—like locking a desktop session. The Sign Off option terminates all processes—like signing out of Windows.

You can also manage another user account’s processes from here if you’d like to end a task that belongs to another running user account.

If you right-click the headings, the available columns are:

Managing Detailed Processes

Context menu options for a process on the Task Manager's Details tab

This is the most detailed Task Manager pane. It’s like the Processes tab, but it provides more information and shows processes from all user accounts on your system. If you’ve used the Windows 7 Task Manager, this will look familiar to you; it’s the same information the Processes tab in Windows 7 displays.

You can right-click processes here to access additional options:

Selecting columns for the Windows Task Manager's Details tab

If you right-click the headings and select “Show Columns,” you’ll see a much longer list of information you can show here, including many options that aren’t available on the Processes tab.

Here’s what every possible column means:

Working With Services

The Services tab in the Task Manager

The Services tab shows a list of the system services on your Windows system. These are background tasks that Windows runs, even when no user account is signed in. They’re controlled by the Windows operating system. Depending on the service, it may be automatically started at boot or only when necessary.

Many services are part of Windows 10 itself. For example, the Windows Update service downloads updates and the Windows Audio service is responsible for sound. Other services are installed by third-party programs. For example, NVIDIA installs several services as part of its graphics drivers.

You shouldn’t mess with these services unless you know what you’re doing. But, if you right-click them, you’ll see options to Start, Stop, or Restart the service. You can also select Search Online to perform a Bing search for information about the service online or “Go to Details” to show the process associated with a running service on the Details tab. Many services will have a “svchost.exe” process associated with them.

The Service pane’s columns are:

Windows 10's Services management tool

For more information about these services, click the “Open Services” link at the bottom of the window. This Task Manager pane is just a less powerful services administration tool, anyway.

Process Explorer: A More Powerful Task Manager

Process Explorer, Microsoft's powerful and free Task Manager alternative

If the built-in Windows Task Manager isn’t powerful enough for you, we recommend Process Explorer. This is a free program from Microsoft; it’s part of the SysInternals suite of useful system tools.

Process Explorer is packed with features and information not included in the Task Manager. You can view which program has a particular file open and unlock the file, for example. The default view also makes it easy to see which processes have opened which other processes. Check out our in-depth, multi-part guide to using Process Explorer to learn more.

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