Always scan downloaded .zip files with antivirus software before extracting, as fan-distributed patches can sometimes trigger false positives or, rarely, contain malicious files.
"Extra Scenes Edition" usually implies a fan-patched, restored-content, or special edition intended for fans seeking the full experience. Common Usage & Installation File: SL-112-Extra_Scenes_Edition_PC.zip ...
To give you more specific information on this file, could you tell me: did you download it from (e.g., a forum, a mod site)? Always scan downloaded
You will need software like 7-Zip or WinRAR to extract the contents of the .zip file. File: SL-112-Extra_Scenes_Edition_PC.zip ...