Sothink SWF Decompiler is a professional Flash decompiler. It can easily decompile SWF to FLA and FLEX projects. Not only supports AS3, this Flash decompiler also supports Flash 6/MX 2004/8/CS3/CS4 and FLEX. It extracts almost all Flash elements including shape, morph shapes, images, sounds, videos, frames, fonts, texts, buttons, sprites and ActionScript.
SWF Decompiler is fully compatible with Windows 7; search for all ActionScript is enabled.