You may wonder: Why install 8.5.5.22 when WebSphere 9.0 or Liberty standalone exists?
For developers, IBM offers a 60-day trial of WebSphere for free testing. Alternatively, you can use the WebSphere Traditional Docker Image if you prefer a containerized environment.
: Download and install the latest Installation Manager first; it is the required engine for all WAS installs. Add Repositories :
Create a dedicated webinst or wasadmin user. Do not install as root for security reasons.
This article provides a complete reference. We will cover safe download sources, step-by-step installation, post-installation configuration, common pitfalls, and why this specific version remains relevant in 2025 and beyond.
Click if you already have WAS 8.5 installed and want to move to version 8.5.5.22. Important Compatibility Notes Exploring IBM WebSphere Application Server - JRebel