Upon start up of the TRIAL VERSION, click the button that  says “SEND APPLICATION INFORMATION” Locate REGISTRATION.TXT in the application folder using Windows Explorer, then with your standard email package, attach the file to an email and send to:enquiry@arcadesoftware.co.uk   You MUST include your Paypal transaction  code in the email Shortly you will receive a code that you can load into this box (use the LOAD button) and click  REGISTER.  This will transform your version to the  one you purchased, STANDARD, STANDARD PLUS or ENTERPRISE.  View comparison matrix HERE PLEASE ALLOW 48 HOURS FOR RETURN OF YOUR CODE ONCE WE HAVE RECEIVED THE FILE DESCRIBED ABOVE. In three easy steps..Even the computer novice can register CLICK ON  EACH FOR LARGER VIEW DEFAULT FOLDER: C:\PROGRAM FILES\ARCADE SOFTWARE\KMA4 KMA4 HOME