# guix package > Install, upgrade and remove Guix packages, or rollback to previous configurations. > More information: . - Install a new package: `guix package -i {{package}}` - Remove a package: `guix package -r {{package}}` - Search the package database for a regular expression: `guix package -s "{{search_pattern}}"` - List installed packages: `guix package -I` - List generations: `guix package -l` - Roll back to the previous generation: `guix package --roll-back`