# pacman --upgrade > Arch Linux package manager utility. > See also: `pacman`. > More information: . - Install one or more packages from files: `sudo pacman -U {{path/to/package1.pkg.tar.zst}} {{path/to/package2.pkg.tar.zst}}` - Install a package without prompting: `sudo pacman -U --noconfirm {{path/to/package.pkg.tar.zst}}` - Overwrite conflicting files during a package installation: `sudo pacman -U --overwrite {{path/to/file}} {{path/to/package.pkg.tar.zst}}` - Install a package, skipping the [d]ependency version checks: `sudo pacman -Ud {{path/to/package.pkg.tar.zst}}` - Fetch and [p]rint packages that would be affected by upgrade (does not install any packages): `pacman -Up {{path/to/package.pkg.tar.zst}}` - Display [h]elp: `pacman -Uh`