Uninstalling apps on a Mac can help free up storage space and tidy up the system easily.Methods include using Launchpad for App Store apps, moving apps to Trash via Finder, or using app-specific uninstallers.Some apps may leave behind files that can be manually deleted from certain locations like ~/Library/Application Support/.Terminal provides a command-line option to uninstall stubborn apps, requiring proper path entry and admin password.Core system apps like Safari cannot be uninstalled through standard methods to maintain system stability.Reinstalling apps is usually simple, whether from the App Store, official websites, or via macOS Recovery feature.Backing up important apps or installers can help facilitate reinstallation if needed in the future.Deleting system apps using Terminal commands and disabling System Integrity Protection is not recommended due to possible issues.Uninstalling apps may require additional steps like removing associated files to ensure a clean uninstall and free up space.It is essential to exercise caution when deleting files from the Library folder to avoid unintended consequences.