Quote Originally Posted by corker View Post
Now I just remembered that WinRAR can be made into portable but I don't know how to make it so. Does anyone know?
The portable edition is called WinRAR unplugged. We can have them from
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. But the development of WinRAR unplugged seems to be rather left behind since it is still in version 3.91.

Quote Originally Posted by Grr View Post
Got a reply, this key is only for v3.9. Does not allow updates to v4.
The key can be renewed. You should contact WinRAR support for asking a new one. (I did that )