WSUS (Windows Server Update Services) is a Microsoft product that helps administrators manage the distribution of updates and security patches to computers on a network. The WSUS client is a software component that is installed on each computer and communicates with the WSUS server to download and install updates. Keeping the WSUS client up to date is important for ensuring that computers on the network are protected against the latest security threats.
There are several ways to check the version of the WSUS client that is installed on a computer. One way is to use the Windows Registry. The WSUS client version is stored in the following registry key: