A: Not officially supported. Use a Linux VM (virtualbox) or Docker. IBM stopped macOS support after 8.5.5.2.

The most significant change introduced in Fix Pack 22 (and subsequent versions) is the .

If you already have WAS 8.5.5.x installed, you can download just the (without the full product) from IBM Fix Central .

Here is how you can obtain version 8.5.5.22:

Once you've downloaded the installation package, follow these steps to install IBM WebSphere Application Server 8.5.5.22:

: Repositories are available for distributed systems (Windows, Linux, AIX) and z/OS. Passport Advantage (Initial Installation)