How do I register Cookie Stumbler 2?

Registering Cookie Stumbler is a pretty straightforward process:

1) First, grab the most up-to-date copy of Cookie Stumbler here, should you not have done so already.
2) Next, launch Cookie Stumbler and click on "Register" in the menu.
3) A screen will appear asking for your WriteIt! Studios Account. You should have one (check your inbox for an email from the WriteIt! Studios Store) - if you can't find it, you can reset your password at the WriteIt! Studios Store. (bottom right corner)
4) Enter your details and click on "Login". The registration will then complete.

Help! I'm being shown an alert saying my trial has expired. What do I need to do to register?

Click on the "Unlock" button and continue with step 3 above.