Sothink SWF decompiler is a Professional Flash Decompiler for you to convert SWF to FLA.
Current version is 6.0 which costs you $79.99, while you can get version 4.5 for Free. To get Sothink SWF Decompiler 4.5 full version license
1. Visit the promotional page, Fill and Submit the form
2. Check email for a confirmation link, anc confirm your email address using that link
3. You will receive another email with download (English) and serial key
4. Download and install the Sothink SWF Decompiler 4.5
5. When you run the Sothink SWF Decompiler 4.5
If you try to check for update it shows that you can get the latest version for $34.95 (half price)