Flight Simulator 2004 in Windows 10 A User's Guide Windows 10 And Older Software Windows 10 was released by Microsoft in 2015, and was rapidly taken up by many computer users around the world, as it offered a free upgrade from Windows 7 through 8.1, and improved performance in all aspects of use. Windows 10 is able to run on equipment able to run Windows XP at a minimum, and offers dramatic performance advantage, as it encompasses all the improvements and advances in Windows 7 since 2007, but without the metalogical 'baggage' which inhibited the previous developing operating systems in the past. One of the important additions to Windows 10 is a much improved Compatibility Layer (also known as the Compatibility Mode in Microsoft parlance). This incorporates all versions of Windows since Windows 95, and individual Service Packs of Windows XP, Vista, 7 and Windows 8. Microsoft Flight Simulator 2004 MS Flight Simulator 2004 remains a popular simulator among enthusiasts, as it permits older equipment to deliver an excellent flight experience, as well as an incredible library of add-on aircraft and scenery from web sites such as FlightSim.Com, Avsim, and many others. Developers of commercial (payware) add-ons are beginning to offer their FS2004 add-ons as free downloads, for instance the Virtavia software library of AlphaSim aircraft. FS2004 represents an optimum for many users - it features a near-complete experience of stunningly good graphics, an ability to download and implement real world weather NOTAM's provided by Jeppesen to this day, as well as simulated vocal Air Traffic Control, and Instrument Flight Rules and Flight Plan integration. It runs extremely well on Windows XP, Vista and 7. But - can it run on Windows 10? Installation Windows 10 has the brains to notice that FS2004 is being installed, and automatically switches to Windows XP SP2 mode during the installation process. If you choose to download and install the FS9.1 (the equivalent of an FS2004 SP1), Windows 10 picks up this too as a Win XP SP2 compatibility. In all, this is a good thing, as the installation of the program is therefore easy to do. The Perils Of Running FS2004 In Windows 10 Windows 10, like Windows Vista, 7 and 8 before it, is very careful about security on your PC. Flight Simulator, as it is going to be reading and writing files to the main disk drive, triggers a warning before use. Please click 'Yes' in the dialog box, and press on. First start of FS2004 in Windows 10 looks good