S_Merge V1.4 is released in April 2009.
Please ensure that you have the correct version installed on your computer before attempting to purchase it. If you have the wrong version then you can download it from this website.
When you receive the registration code just goto Help -> About S_Merge in the program as shown here.
Enter the code exactly in the box provided. Note that alpha characters are case sensitive.
Keep the registration code somewhere safe as you will need it again when upgrading to a newer free upgrade in the future.
Beware of entering something else in the box at a later date. If you do S_Merge will become 'unregistered'. If you do this then simply re-insert the correct code and S_Merge will become registered again.
Check out the FAQ page for typical technical questions and answers. This page will be regularly updated.
If you cannot get an answer from this site, go back to the main page and press 'Contact' and I will get back to you.