If you purchased the game through the Meta Store or Steam , you are likely downloading an installer or a verified package.
A .rar file is a compressed archive. Developers or distribution platforms often package games this way to reduce file size for faster downloads. To access the game inside, you’ll need a tool like or 7-Zip to "unrar" or extract the contents. Is "Flight.74.rar" Safe? Safety depends entirely on where you downloaded the file. Flight.74.rar
Right-click the file and select "Extract to Flight.74/". If you purchased the game through the Meta