Virtual environment	YAML workflow label	Notes
Windows Server 2022	windows-2022	The windows-latest label currently uses the Windows Server 2019 runner image.
Windows Server 2019	windows-latest or windows-2019
Windows Server 2016[deprecated]	windows-2016	Migrate to Windows 2019 or Windows 2022. For more information, see the blog post.
Ubuntu 20.04	ubuntu-latest or ubuntu-20.04
Ubuntu 18.04	ubuntu-18.04
macOS Big Sur 11	macos-latest or macos-11	The macos-latest label currently uses the macOS 11 runner image.
macOS Catalina 10.15	macos-10.15

{% note %} **Note:** The `-latest` virtual environments are the latest stable images that {% data variables.product.prodname_dotcom %} provides, and might not be the most recent version of the operating system available from the operating system vendor. {% endnote %} {% warning %} Note: Beta and Deprecated Images are provided "as-is", "with all faults" and "as available" and are excluded from the service level agreement and warranty. Beta Images may not be covered by customer support. {% endwarning %}