Look at the video description of the . If it contains:

Never download .exe or .apk files from unknown third-party websites claiming to be a "video player" or "video installer."

In many cases involving modded apps, the installation process might involve a verification step. This is where users are often asked to complete a task—such as watching an ad, downloading a secondary app, or completing a survey—to "prove they are human" and unlock the features shown in the video.