JVC Everio GZ-MG630

I haven't quite figured it out totally quite yet but it looks pretty good to me, I still had to convert it from mpg. to avi. though. Can anyone tell me why it doesn't just go right into adobe or movie maker as is? Converting makes it less fine.

Видео JVC Everio GZ-MG630 канала ItsCourtenayMmhm