WebSphere Application Server V8.5.5.22 represents one of the later cumulative updates for the V8.5.5 branch. It includes:
If you are upgrading from an earlier version of WAS, ensure that you follow the recommended upgrade path. You can upgrade directly to WAS 8.5.5.22 from WAS 8.5.5 or earlier. ibm websphere application server 8.5.5.22 download
Use ./versionInfo.sh (or .bat on Windows) to verify that the version indicates 8.5.5.22. WebSphere Application Server V8
You must have IBM Installation Manager (IIM) installed. Version 1.9.x or later is recommended to ensure compatibility with modern repositories. ibm websphere application server 8.5.5.22 download