This article indicates how to evaluate the latest trial version of Dynamic Web TWAIN (DWT) Plug-in when you are using a lower full version. If you are using the ActiveX edition, please click here.
1.Uninstall the old full version before installing the new one.
2.Install Dynamic Web TWAIN 6.x trial.
3.Remove the old control from Firfox at Firefox->Tools->Add-ons->extensions.
4.Replace the old XPI file on your server with the new one. The XPI file can be found at the installation directory of Dynamic Web TWAIN Plug-in.
5.Access the scan page to install the new control.
