Please note: 

IBM Z Trials will be unavailable due to year end system maintenance from Monday, 15th December 2025 to Friday, 9th January 2026. 

We apologize for any inconvenience.


Updated! IBM Decision Runtime for z/OS® IBM Z Trial


Updated: November 2025


Manage and execute business rules to make decisions faster, improve responsiveness and minimize risks.

Learn how to:

  • Update live business rules used by a COBOL application
  • Test rules using the Decision Center
  • Write business rules to be used by a COBOL application


Hands-on evaluation of IBM Z software is as easy as 1-2-3

  1. Completely free. No credit card required.
  2. Available within 2 hours and accessible for 3 days including weekends.
  3. No installation required. Take a scenario or just look around.


To request this IBM Z Trial, please register below or log in with your existing IBM ID.