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)

If this is a Release Candidate of software, locate an install.bat , setup.exe , or instructions on running the executable from the /bin folder.

Run the installer or software as an Administrator.

Before opening any zip file, especially one received via email or downloaded, you must ensure it is safe.

What is the of the files inside the folder after you unzip it (e.g., .exe, .pdf, .py)?