Understanding how to see whats running on pc is a fundamental skill for any computer user. Identifying which applications and processes are currently active on your computer helps with troubleshooting and performance management.
This knowledge lets you close resource-hungry programs, stop unwanted background tasks, and find software that might be causing problems. Whether you’re on Windows or Mac, the tools are built right in.
This guide will walk you through every method, from basic task managers to advanced system monitors.
How To See Whats Running On Pc
The primary tool for viewing active processes on a Windows PC is the Task Manager. It provides a real-time overview of everything using your system’s resources.
You can open it quickly by pressing Ctrl + Shift + Esc on your keyboard. Alternatively, right-click the taskbar at the bottom of your screen and select “Task Manager.”
Navigating The Task Manager Tabs
The Task Manager opens in a simplified view. Click “More details” at the bottom to see the full interface. Here are the key tabs you’ll use:
- Processes: Shows all running apps and background processes, sorted by category. You can see CPU, memory, disk, and network usage here.
- Performance: Displays live graphs for your CPU, memory, disk, and network. It’s great for spotting overall resource trends.
- App History: (Windows 10/11) Shows resource usage history for apps, useful for identifying consistently heavy programs.
- Startup: Lists programs that launch automatically with Windows. Disabling unnecessary ones here can speed up boot time.
Understanding Process Details
In the “Processes” tab, you’ll see more than just your open applications. System processes, Windows services, and background helpers are all listed. Right-clicking any process gives you options like “End task,” which force-closes it, or “Search online,” which helps identify unfamiliar entries.
Using The System Configuration Tool (MSConfig)
For a more focused view on startup programs and services, use the System Configuration tool. Press Windows Key + R, type msconfig, and hit Enter.
The “Services” tab shows all services, and checking “Hide all Microsoft services” helps you isolate third-party ones. The “Startup” tab (in older Windows versions) links to the same list found in Task Manager.
Advanced Methods For Windows Users
When you need deeper insight than Task Manager provides, Windows includes more powerful utilities.
Resource Monitor A Deep Dive
Resource Monitor offers granular detail. You can open it from the “Performance” tab in Task Manager by clicking “Open Resource Monitor” at the bottom, or by searching for “Resource Monitor” in the Start menu.
Its tabs break down activity in detail:
- Overview: A summary view with graphs.
- CPU: Lists every single process and thread with associated handles.
- Memory: Shows exactly how each process is using RAM.
- Disk: Lists all file activity, showing which programs are reading or writing data.
- Network: Displays network connections and data usage per process.
Windows PowerShell And Command Prompt
For command-line users, PowerShell and Command Prompt offer quick process listings. Open either tool and type tasklist and press Enter. This displays a list of running processes with their Process ID (PID) and memory usage.
To end a process from here, note its PID and use the command taskkill /PID [Number]. For example, taskkill /PID 1234. This method is usefull for remote management or scripting.
Viewing Services With Command Line
To see all Windows services and their status, type sc query or net start in Command Prompt. This is a text-based way to check what background services are running, which can be helpful for advanced troubleshooting.
How To See What’s Running On A Mac
Mac users have an equally robust tool called Activity Monitor. You can find it in the Applications > Utilities folder, or by searching with Spotlight (Cmd + Space).
Using Activity Monitor Effectively
Activity Monitor’s interface is similar to Windows Task Manager but with a macOS feel. The five main tabs are:
- CPU: Shows processes impacting processor performance.
- Memory: Details how your RAM is being used.
- Energy: Unique to Mac, this shows which apps affect battery life on laptops.
- Disk: Displays the amount of data each process has read from and written to your disk.
- Network: Shows how much data each process has sent or received.
To quit a process, select it and click the “X” button in the toolbar. You can also use the View menu to see all processes hierarchically, which groups child processes under their parent application.
Mac Terminal Commands
The Terminal app provides command-line control. The primary command is top, which shows a live, updating list of processes. Press Q to quit the top display.
For a static list, use ps aux. This provides a snapshot of all running processes. To force quit an app via Terminal, use kill [PID] or the more forceful kill -9 [PID] after finding the Process ID from the list.
Identifying Unnecessary And Malicious Processes
Not everything running on your PC is essential. Some processes are unnecessary for normal operation, and a few could be malicious.
Common Legitimate Background Processes
Many processes with unfamiliar names are actually part of Windows or macOS or your hardware drivers. Examples include:
- svchost.exe (Windows): Hosts multiple Windows services.
- RuntimeBroker.exe (Windows): Manures app permissions for Store apps.
- kernel_task (Mac): Manages CPU heat and performance.
- WindowServer (Mac): Handles the graphical user interface.
It’s best to search online before ending a process you don’t recognize, as stopping a critical system process can cause instability.
Spotting Potential Malware
Malicious software often tries to hide, but you can look for red flags in your process list:
- Process names that mimic system files with slight misspellings (e.g., “scvhost.exe” instead of “svchost.exe”).
- Processes with random, nonsensical names.
- High CPU, memory, or network usage from a process you didn’t start.
- Processes that restart immediately after you end them.
If you suspect malware, run a full scan with a reputable security program. Using the network tabs in Task Manager or Activity Monitor can reveal processes making suspicious connections.
Managing Startup Programs For Better Performance
Too many programs launching at startup is a common cause of a slow boot and reduced performance. Managing these is a key part of controlling what runs on your PC.
Managing Startup In Windows
As mentioned, use the Startup tab in Task Manager. It shows each program’s name, publisher, and “Startup impact” (High, Medium, Low). To disable a program from starting automatically, right-click it and select “Disable.”
You can also access startup programs through Windows Settings > Apps > Startup (Windows 10/11). This is a more user-friendly but less detailed view.
Managing Startup On A Mac
On macOS, go to System Settings (or System Preferences) > General > Login Items. You’ll see two lists: “Open at Login” for regular apps and “Allow in the Background” for helpers. Select any item and click the minus (-) button to remove it from startup.
Some applications install background agents that are managed within the app’s own preferences, so check there if you can’t find it in Login Items.
Third-Party System Monitoring Tools
While built-in tools are excellent, third-party applications often provide more features, better visualizations, and historical data.
Popular Options For Windows
- Process Explorer: A free, advanced tool from Microsoft. It shows processes in a tree structure, highlights them in colors, and can reveal which program has a file locked.
- HWMonitor: Focuses on hardware sensors, displaying temperatures, voltages, and fan speeds alongside process info.
- CCleaner: While primarily a cleaner, its Tools section includes a detailed startup program manager and a system performance monitor.
Recommended Tools For Mac
- iStat Menus: Puts detailed system stats (CPU, memory, network, sensors) right in your menu bar for constant monitoring.
- CleanMyMac X: Includes a module to manage startup items, login items, and background processes with a clean interface.
- MenuMeters: A free, open-source tool that adds configurable meters to the menu bar, similar to iStat Menus.
These tools can give you a more permenant and accessible view of your system’s health compared to opening Activity Monitor each time.
Step-By-Step Troubleshooting Guide
When your computer is slow or a program isn’t working, follow this structured approach using process management.
- Open Your System Monitor: Launch Task Manager (Ctrl+Shift+Esc) or Activity Monitor.
- Sort by Resource Usage: Click the column header for “CPU,” then “Memory,” to see which processes are using the most.
- Identify the Culprit: Look for a process consistently using a high percentage of resources when you’re not actively using that program.
- Research Unknown Processes: Right-click (or double-click on Mac) the process and look for an “Open file location” or “Search Online” option to identify it.
- End the Problematic Task: If it’s a non-essential application or a frozen program, select it and click “End Task.” For system processes, be very cautious.
- Check Startup Programs: Prevent the problem from recurring by checking if the problematic program is set to launch at startup and disabling it if necessary.
This methodical process helps you isolate and resolve performance issues without randomly closing programs.
Frequently Asked Questions (FAQ)
How Can I Check What Programs Are Running In The Background On My Computer?
Use the Task Manager on Windows (Processes tab) or Activity Monitor on Mac (look at all tabs, especially CPU and Memory). Background processes are listed alongside your open applications. Sorting by CPU or Memory usage helps identify active background tasks.
What Is The Easiest Way To View Running Processes On Windows 10?
The easiest way is to press Ctrl + Shift + Esc to open Task Manager directly. The “Processes” tab gives you an immediate, sortable list of everything running. For a quicker look, the “Performance” tab shows if your CPU, memory, or disk is under heavy load.
How Do I Stop Unnecessary Processes From Running On Startup?
On Windows, use the Startup tab in Task Manager. On Mac, go to System Settings > General > Login Items. In both locations, you can disable applications you don’t need to launch automatically. This is one of the most effective ways to improve boot time.
Can I See What’s Running On My PC From The Command Line?
Yes. On Windows, open Command Prompt or PowerShell and type tasklist. On Mac, open Terminal and type top for a live view or ps aux for a snapshot. These commands list all processes with their IDs and resource usage, which is helpful for scripting or remote access.
How Do I Know If A Running Process Is Safe Or Malware?
Check the process name and publisher in your system monitor. Research any unknown process name online. Be wary of misspelled system names, high resource use from unknown sources, or processes that restart automatically after being closed. When in doubt, run a full system scan with your antivirus software to ensure your system’s security.