# choco install > Install one or more packages with Chocolatey. > More information: . - Install one or more packages: `choco install {{package1 package2 ...}}` - Install packages from a custom configuration file: `choco install {{path\to\packages_file.config}}` - Install a specific `nuspec` or `nupkg` file: `choco install {{path\to\file}}` - Install a specific version of a package: `choco install {{package}} --version {{version}}` - Allow installing multiple versions of a package: `choco install {{package}} --allow-multiple` - Confirm all prompts automatically: `choco install {{package}} --yes` - Specify a custom source to receive packages from: `choco install {{package}} --source {{source_url|alias}}` - Provide a username and password for authentication: `choco install {{package}} --user {{username}} --password {{password}}`