If you already own a legitimate copy of RealFlight 7.0, you can still download the 7.5 update for free through the official RealFlight Launcher . Modern Alternatives

Let’s be realistic. RealFlight 7.5 was built for . While it runs on Windows 10, users constantly report three bugs:

Unplug the InterLink. Go to Device Manager. Under “Universal Serial Bus devices,” uninstall any instance of “InterLink.” Reboot. Plug the controller into a USB 2.0 port (not a blue USB 3.0 port). Reinstall drivers from the ISO.

Have a tip for installing RealFlight 7.5 on modern hardware? Join the discussion on r/RCPlanes.

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Any site offering a "free full download" of RealFlight 7.5 is likely providing pirated software, which carries a high risk of containing viruses or malware . Real-flight 7.5 + All Expansion Packs | RealFlight Forums