Files with extensions like .rar or .zip found on third-party forums or file-sharing sites often contain malware, ransomware, or viruses. Always scan downloaded files with reputable antivirus software.
To ensure you have the safe and full version of software, it is highly recommended to download it directly from the official e-on software (Bentley Systems) website or authorized resellers, rather than searching for rar archives.
Are you encountering a specific while trying to open a file you already have? I can provide more specific help based on that information.