I don't know about cracking, but if you install Trilix Flash decompiler, and can download .swf files of flash games/applets, you can keep using these swf's on y

I don't know about cracking, but if you install Trilix Flash decompiler, and can download .swf files of flash games/applets, you can keep using these swf's on your computer forever. You can often find the link to the swf in the source code of the webpage (Ctrl+U on Windows).