The safest place to purchase is directly from the FSS website or the iFly store. You pay once, and the download is linked to your account forever. You will receive a unique serial key.
To satisfy your search intent for a download that is exclusive, here is the official pathway: ifly 747400 v2 download free exclusive
Alternative: If you simply cannot afford it, look at the Salty 747 (freeware for MSFS 2020) or the Sparky 744 (freeware for X-Plane 12). These are open-source, legal, and rapidly improving. The safest place to purchase is directly from
Let’s talk directly to the simmer who is determined to get this for free exclusive. Even if you ignore the legal warnings (piracy is theft of intellectual property), consider the technical and practical impacts on your hobby: Use the "Flight1 Downloader": This is the only
Be careful: The original iFly 747-400 (Old Generation) is sometimes given away free in abandoned software archives. However, that is not the v2. The v2 has a completely different flight model and VC. If you find "v1" for free, you are flying a relic from 2009, not the modern study sim.