To get a trial copy of CX-One fill out the form in the following link:
https://automation.omron.com/en/us/forms/cx-one-software-download-request-form
You will need to register first and then a link will be sent to your email for downloading the Installation File. The email will contain two links the first being the full version of CX-One if you have already purchased the software and a second link with the trial version and a corresponding licence key for a 30 Day Trial.