Deinstallation

Deinstallation, also known as uninstallation, is the process of removing software, drivers, plugins, or other components from a computer system or device. The goal is to reclaim disk space, remove user data, and revoke access to the removed component.

The methods vary by platform. Windows commonly uses a built-in uninstaller accessed via Settings > Apps or Control Panel; macOS may require a dedicated uninstaller or simply deleting the application bundle and related files; Linux uses package managers (apt, yum, pacman) with commands such as remove or purge. Mobile devices also support app removal via the app list. Some software provides a vendor-provided deinstaller that removes additional components.

Typical steps include closing the program, running the uninstall tool, following prompts, and rebooting if required. Post-uninstall, users should check for leftover files in program directories, user data, and startup entries, and remove them if appropriate. Removing shared libraries or dependencies may affect other software; package managers often handle this automatically.

Risks include data loss from unexported data, loss of configuration, broken dependencies, or incomplete removal leaving sensitive information. It is prudent to back up data and consider system restore points or snapshots.

Best practices involve using official uninstallers, backing up, uninstalling in reverse order of installation, reviewing remaining files and startup entries, and using cleanup tools cautiously. In enterprise environments, deinstallation may be governed by policy and logging.