The fastest way to remove an app depends on your operating system

On Windows, use Settings > Apps > Apps & Features, find the program you want to remove, click it, and select Uninstall. On Mac, drag the app from Applications to Trash, then empty Trash. On Linux, use your distribution's package manager — Ubuntu users open Software Center or use the terminal command sudo apt remove [app name]. Each method removes the program files, though some leftover settings files may remain on your hard drive.

The Settings route on Windows is the safest because it runs the program's own uninstaller, which knows exactly what files belong to it. Dragging to Trash on Mac works for most apps but leaves behind preference files in your Library folder — harmless, but they take up small amounts of space. Linux package managers are the cleanest option because they track every file and remove almost everything.

If an app won't uninstall through the normal route, or if you want to remove every trace including settings files, you have other options depending on your system. The method you choose matters most if you are running low on storage space or if the app left behind problems you want to fully erase.

Key Takeaways

  • Windows users should go to Settings > Apps > Apps & Features, select the program, and click Uninstall rather than deleting files manually.
  • Mac users can drag apps to Trash from the Applications folder, but this leaves behind preference files that can be deleted separately if you want a complete removal.
  • Linux users should use their package manager (apt, dnf, pacman, or equivalent) to remove apps, which deletes almost all associated files automatically.
  • Uninstallers remove program files but often leave behind small settings folders that do not affect performance and take up minimal space.

Windows: Using Settings to uninstall

Open Settings by pressing Windows key + I, or click the Start menu and select Settings. Navigate to Apps on the left side, then click Apps & Features. Scroll through the list to find the program you want to remove — you can type its name in the search box at the top to find it faster.

Click the app name once to select it, then click the Uninstall button that appears. A confirmation window will pop up asking if you are sure. Click Uninstall again. The program's own uninstaller will run, and you may see additional prompts asking whether to keep or remove settings files. Choose Remove to delete everything, or Keep if you think you might reinstall it later and want to preserve your settings.

Wait for the uninstaller to finish — this usually takes under a minute. When it closes, the app is gone. If the Uninstall button is grayed out, the program is a Windows system app that cannot be removed this way, or it requires administrator permission. Right-click Settings itself and select Run as Administrator if you have admin access and need to remove a protected program.

Mac: Removing apps from Applications and cleaning up preference files

Open Finder and click Applications in the sidebar, or press Command + Shift + A. Find the app you want to delete, right-click it, and select Move to Trash. Close Finder. The app is now removed from your Applications folder.

To delete the preference files the app left behind, open Finder again and press Command + Shift + Period (.) to show hidden files. Navigate to Library > Preferences. Look for files with the app's name in them — they usually start with "com." followed by the company name. Drag these to Trash. Also check Library > process Support and Library > Caches for folders with the app's name, and move those to Trash as well.

Empty Trash when you are done by right-clicking the Trash icon in the Dock and selecting Empty Trash. This step is important because files stay in Trash until you empty it, so they still take up space on your drive. If you are not comfortable hunting through hidden folders, straightforward leaving the preference files alone causes no problems — they are small and do not slow down your Mac.

Linux: Using your package manager to remove apps

The method depends on which Linux distribution you use. Ubuntu and Debian-based systems use apt. Open a terminal (Ctrl + Alt + T on most distributions) and type sudo apt remove [app name], replacing [app name] with the program's package name. Press Enter and type your password when prompted. Type Y and press Enter to confirm the removal.

Fedora and Red Hat-based systems use dnf instead. Type sudo dnf remove [app name]. Arch Linux uses pacman: type sudo pacman -R [app name]. If you are not sure of the exact package name, type apt search [partial name] (or dnf search, or pacman -Ss) to find it first.

If you want to remove the app and all its settings files at once, add the flag --purge to the apt command: sudo apt remove --purge [app name]. This deletes configuration files that would normally stay behind. For dnf and pacman, the remove command already deletes most settings, so the extra flag is not needed. After removal, you can type sudo apt autoremove to delete any leftover dependency files that are no longer needed.

When an app will not uninstall normally

On Windows, some programs do not appear in Apps & Features because they were installed as portable apps (single executable files) or as part of another program. If you cannot find it in Settings, check your Program Files folder (C:\Program Files or C:\Program Files (x86)) and look for a folder with the app's name. Some apps have their own uninstaller inside the folder — look for a file named Uninstall.exe. If you find it, double-click it and follow the prompts.

If there is no uninstaller and the app is truly portable, you can straightforward delete the folder. Be certain the app is not running first — close it completely, and check the taskbar to make sure it is not minimized. Then right-click the folder and select Delete. On Mac, if an app refuses to move to Trash, try holding Option while dragging it, or restart your Mac in Safe Mode and try again.

On any system, if an app is actively running, you must close it before uninstalling. Some programs lock their own files while they are open, which prevents the uninstaller from removing them. Close the app completely, check that it is not running in the background (check Task Manager on Windows, Activity Monitor on Mac, or ps aux in a Linux terminal), and try again.

Recovering storage space after deletion

Uninstalling an app frees up the space it occupied, but the amount varies widely. A small utility might use 50 megabytes, while a game or professional software can use several gigabytes. To see how much space you freed up, check your drive's free space before and after. On Windows, right-click your C: drive, select Properties, and look at the Free Space number. On Mac, click the Apple menu, select About This Mac, then Storage. On Linux, open a file manager and check the drive properties.

If you deleted an app but want to know how much space it was using, you cannot see that number anymore. However, you can estimate by checking the app's original read size or looking at the program's folder size before deletion. Some apps also leave behind cache files in temporary folders that are not part of the main uninstall. On Windows, these accumulate in C:\Users\[Your Name]\AppData\Local\Temp. On Mac, they are in Library > Caches. Deleting these folders is safe and can free up additional space, though the amounts are usually small.

Reinstalling an app you deleted

To reinstall a program, read it again from the official website or your system's app store. On Windows, use the Microsoft Store for modern apps, or read the installer from the developer's website for traditional programs. On Mac, use the App Store or read from the developer. On Linux, use your package manager: type sudo apt install [app name] (or dnf install, or pacman -S) to reinstall.

If you kept the preference files when you deleted the app, reinstalling will usually restore your settings automatically. If you deleted everything including preferences, you will need to set up the app again from scratch. Some apps store settings in the cloud (like web browsers and email clients), so those settings may return automatically when you sign in. Others store everything locally, so you will lose custom configurations, saved passwords, and preferences unless you backed them up separately.

Frequently Asked Questions

Does uninstalling an app delete all my files and settings?

Uninstalling removes the program itself and usually its settings, but not files you created with it. A document you wrote in Word, a photo you edited in an image editor, or a spreadsheet you made will stay on your computer. Settings like toolbar layouts, passwords, and preferences are typically deleted unless you chose to keep them during uninstall.

Can I delete an app by just deleting its folder?

On Mac, yes — dragging an app to Trash is the standard method. On Windows, it is not recommended because the program may have files scattered across multiple folders and the registry, and deleting just the main folder leaves behind orphaned files. Use the uninstaller instead. On Linux, never delete a package folder manually; use your package manager to may support all files are tracked and removed.

What are preference files and do I need to delete them?

Preference files store your settings — saved passwords, window size, theme choices, and other customizations. They are not needed for the app to run and take up minimal space, so leaving them behind causes no harm. Delete them only if you want a completely clean removal or if you are troubleshooting a problem where corrupted settings are causing issues.

Will uninstalling free up enough space to matter?

It depends on the app. Small utilities free up 50 to 200 megabytes. Games and professional software can free up 5 to 50 gigabytes or more. If your drive is nearly full, uninstalling large apps is worth doing. If you have plenty of free space, the difference is negligible.

What if I uninstall something by mistake?

Reinstall it from the same place you got it originally — the app store, the developer's website, or your package manager. If you deleted preference files and want your old settings back, you may be able to recover them from a backup if you have one. Otherwise, you will need to reconfigure the app manually.