Minimum REAL hardware to run DECENTLY FS9 (which is fortunately a software) is a Pentium 4 2400 (or equivalent) with 1 Gb ram and a 128Mb ram videocard of of the Nvidia Fx series (or ATI equivalent).

If your PC is such or better, go
BUY a FS9 package (not download, bad, bad, bad... BUY ;) ) and install it, ensure it is the V 9.1 and if it isn't patch it with the M$ patch (easily found with google) and then install your A380 in it.
If your PC is lesser than indicated and you don't want to upgrade just yet, then try and find a FS2002 package (that while not as good as FS9, it's still a very good simulator) and install in it your A380. Seen that it can work in both 2002 and 2004, you have the choice.
In both cases the simulators you
must buy,
not download, but don't worry, as said before FS9 is found cheap now that FSX is out, and FS2002 is even cheaper (but you could have problems find FS2002 in the shops). 8-)
There's but one real cure for human stupidity. It's called DEATH.
At the moment mourning the assassination of sarcasm and irony for the good of the "higher".
Proud FSIX user. Active user of FS98, X-plane and novic