If you purchase a new computer, you can install HIARCS Chess Explorer and enter your existing license code. If you exceed the maximum allowed concurrent activations, you must deactivate the old machine or contact support. Lost License Recovery
: Click Register . After a brief delay, a confirmation message will verify that the software is activated. Important Details
The official trial gives you without entering any license code. No restrictions, no watermarks—just a timer. If you only need the software for a specific tournament prep or a research project, the trial is the best "free code" available.