If you are looking for the "Flaming Cliffs" experience, the best way to do it today is through . It is the direct successor to the Lock On series and offers a much better experience for several reasons:

FC2 relies on specific versioning. A cracked key will almost always prevent you from joining online servers or flying with friends. Why You Should Switch to DCS World

I can provide a or a list of the best free mods to expand your hangar!

Do you have a or are you using a keyboard/controller ?

If you use the standalone version of DCS (non-Steam), you can trial almost any aircraft or map for 14 days for free . This allows you to fly the FC2-era jets without spending a dime. Conclusion

Does your PC meet the for the newer DCS World?