NEED HELP WITH SONY VEGAS!!!

[SigmaPLUS]

If you're missing the codec, install it. I run Vegas Pro 12.0 just fine while being able to place .avi files in my timeline.

 

[Joshua Severi]

Just use a free converter that doesn't give a watermark

any that you could recommend?

 

[Crypt]

any that you could recommend?

I don't know :/ I'm sure a quick couple google searches could give some results