Patch Manager, a capability of AWS Systems Manager, automates the process of patching managed nodes with both security related and other types of updates. You can use Patch Manager to apply patches for both operating systems and applications.
On Windows Server, application support is limited to updates for applications released by Microsoft.
You can use Patch Manager to install Service Packs on Windows nodes and perform minor version upgrades on Linux nodes.
You can patch fleets of Amazon Elastic Compute Cloud (Amazon EC2) instances, edge devices, or your on-premises servers and virtual machines (VMs) by operating system type.