DataForm.NET Express Edition can upgrade to Professional Edition from this page if current computer has an internet connection and can access our web site. If so, please choose "Upgrade DataForm.NET Automatically" below.

1. To upgrade to professional Edition of Single Developer License , please enter the product code which is a GUID(XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)   from email we send you after you purchase DataForm.NET. Click "Upgrade" button to upgrade DataForm.NET. One product code can be ONLY used for up to two(2) computers. Before upgrade, please make sure you want this product code to be used on current computer.
2. To upgrade to professional Edition of Single Domain/IP License, please enter product code which is a GUID(XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)  from email we send you after you purchase DataForm.NET, and top-level domain name and ip address on which the web application is running. Click "Upgrade" button to upgrade DataForm.NET. One product code can be used for ONLY one single top-level domain name on a single IP. Before upgrade, please make sure domain name and IP address are correct.

OR, you can choose "Upgrade DataForm.NET Manually"  and obtain an activation code from our web site.

1. Please go  www.EasyDotNet.com. Log in by your email, enter "my account" and switch to "My License". Enter product code and then click "Get Activation Code" button.
2. Return to here, choose "Already got an activation code from web site" below.
3. Enter product code (GUID) and paste activation code generated from web site. Click "Upgrade" button to upgrade DataForm.NET.