Follow the steps below to upgrade the trial version of Dynamic Web TWAIN to the full version:

1. Remove the trial version of Dynamic Web TWAIN from your machine.

    1) Remove the trial version of Dynamic Web TWAIN by using Add or Remove Programs. (Please make sure the DynamicWebTwainCtrl.dll file under "C:\WINDOWS\system32"("C:\Windows\SysWOW64" for 64-bit OS) is deleted.)

    2) Remove DynamicWebTwain Class at "C:\WINDOWS\Downloaded Program Files" if the file exists. (DynamicWebTwain Class should be downloaded and installed to your computer through IE as an ActiveX control when you access Dynamic Web TWAIN pages.)

If Dynamic Web TWAIN cannot be found in the Add or Remove Programs list, you can remove it manually. For detailed info, please click here.

2. Install the full version of Dynamic Web TWAIN.

3. Delete the expired license in Licensing Tool which can be found at "start -> All Programs -> Dynamic Web TWAIN (version number) - Licensing Tool".

4. Add the full version license you purchased in Licensing Tool.



If you are developing a desktop application, you need to remove the control of the trial version from the forms and re-add the full version control.

You can refer to the related articles to get more information on how to use Dynamic Web TWAIN in Different Development Environments.

If you are developing a web application, please do the steps below:

1) Replace the old CAB/LPK files with the new ones. The CAB file can be found at the installation directory of Dynamic Web TWAIN and the LPK file can be created by using Lpk_tool.exe that can be downloaded from www.microsoft.com.

2) Change the class ID from the trial version to the full version:

<object classid="clsid:FFC6F181-A5CF-4ec4-A441-093D7134FBF2" id="DynamicWebTwain1" width="143" height="156" CodeBase = "DynamicWebTWAIN.cab#version=6,1">

To:

<object classid="clsid:E7DA7F8D-27AB-4EE9-8FC0-3FEC9ECFE758" id="DynamicWebTwain1" width="143" height="156" CodeBase = "DynamicWebTWAIN.cab#version=6,1">

Click here to get more information on how to deploy Dynamic Web TWAIN on your web server.