Archives from unknown sources can be risky. Before extracting:
If you have 7-Zip installed, you can . This allows you to see the file names inside without actually running anything, which is a great way to verify if the contents are what you expected. LC - TFKR.7z
Do you have on where you found this file or what it's supposed to contain? Archives from unknown sources can be risky
Often used in fan-translation communities or "Lo-Fi" gaming projects. LC - TFKR.7z