Right-click Unlock DLC.zip and select "Extract All" or use a tool like 7-Zip/WinRAR to extract the contents to a folder.
If Unlock DLC.zip is a zip file containing files meant to be placed into a game directory:
Knowing this will help me guide you to the specific files or settings you need to change. Unlock DLC.zip
Start the downloads to acquire the actual content.
If the file is actually a extension (or a zip containing one) used to download content via a container format ReviverSoft : Right-click Unlock DLC
Run the game to check if the content is unlocked. Scenario 2: Container File for Downloads ( .dlc )
Click the three dots next to the game > Manage > Installation Epic Games Help . If the file is actually a extension (or
Download and install JDownloader , a Java-based download manager designed to handle container files.