Yo nabil if you know how to torrent get a program called Sony Vegas Pro 9
Don't get 10 it's just a cluster f*ck they messed up the work flow.
Main reasons you should get Vegas is
1) you can pre render clips without having to make the movie
2) Edit music in Vegas makes work flow easier
3) Masking can be used
4) More transitions to choose from and Slow Moe is more effective
5) Vegas is the shit if you got PC
6) Accepts allot more codecs than WMM (windows movie maker)
And lastly make sure you get the 32bit for windows 32bit and 64bit if you have a 64bit system if you don't know what you have you got a 32bit system