How do you make Fs2004 (fs9) work in windows 10

Hello I'm a aviation enthusiast who uses fs2004 but has access to a laptop inly so I can only run fs2004 at a useable frame rate what I would like to know is how do you make fs2004 work with windows 10 (compatibility mode doesn't work) I am using a HP pavilion dv5 and I would like my flightsim back
Answer
Answer

Hi, The reason FS9 does not work is because disk 4 contains a form of security which Microsoft no longer considers secure (possibly macrovision?? - not sure). When you run fs9 the application tries to run CD4. At that point you will probably see an error in the event log about "secdrv". This is where the security is failing.

Anyway, you want to get back to playing FS9 which isn't a problem !! First update your install of FS9 to FS9.1.  Get that from here and run it......

http://www.microsoft.com/en-gb/download/details.aspx?id=9727

Then download the FS9 no cd patch which will allow you to start FS9 without CD4 inserted. There are a few places you can get it but here is one......

https://flyawaysimulation.com/downloads/files/15244/microsoft-flight-simulator-2004-v91-no-cd-patch/

That's it......... I doubt MS will issue a patch as I don't think they support FS9(FS2004) any more.  Also if they supplied a patch it would negate the use of CD4 !!

OH.... One other thing. FS9 doesn't like running in full screen mode in Win10. After launching press "Alt+Enter" to switch to window mode. Stretch it to the full size of the screen. It should remember this next time. Maybe it's time to move to X-Plane !

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Last updated April 17, 2025 Views 9,372 Applies to: