Look for files named README.txt , Instructions.pdf , or ReleaseNotes.md . This is the most important step for understanding what the "MRB.RC" contains. File Structure:
What is the of the files inside the folder after you unzip it (e.g., .exe, .pdf, .py)? MRB.RC.(2023).zip
Redownload or re-copy the .zip file.
If you have 7-Zip or WinRAR, you can use these for faster, more reliable extraction. 3. Understanding the Content (MRB.RC.2023) Look for files named README