The free/old/legacy certification has been retired on 30th of April. The legacy certification did not add much value anymore to you as it was testing you on UiPath platform 2018.4 version (or earlier) which is very outdated and obsolete. Secondly, the exam was severely compromised since it was leaked, and the answers/projects were freely available on the internet. Finally, for the candidates that achieved this certification, the credential will expire on the 30th of April 2021.
The new UiPath Certified Professional (UCP) program is current, fully proctored, and secure. The credential will not expire. I would encourage you to take the new Certification. We do have a nominal fee of $150 for the Associate and $200 for the Advanced Certification exam which was have kept at a minimal cost.
Please note that the entire online training from UiPath from basics to advanced is at no cost to you. The entire path can be valued in thousands of dollars for each learner. We are not charging for training, but we must cover our costs for the exams since we have engaged several leading vendors to be able to deliver high quality, proctored, and secure exams. Your investment in the exam fee has a great return-on-investment given the credibility and recognition UCP brings to you; and the importance of UiPath RPA/automation to your organization and companies across industries.
With the preparation you are doing for the retiring legacy program you should be able to succeed in the new UiPath Certified Advanced RPA Developer (UiARD) exam with some additional training. If it makes sense to you, we are confident that you can easily pass the UiPath RPA Associate (UiRPA) exam. Please review the exam descriptions, recommended training and take practice tests to confirm your readiness before you take the final exam. Links with all the details and documents are at http://www.uipath.com/certification.