Once installed, right-click the J L.rar file.
Choose "Extract Here" to place files in the current folder or "Extract to J L/" to create a new folder for the contents. J L.rar
Depending on where you found this file, the "proper guide" might vary: Once installed, right-click the J L
If this is related to enterprise software like IBM WebSphere, it might be a Resource Adapter Archive (RAR) used for connecting to databases. J L.rar