Upgrade Information

SIGNAL 4.0 may be downloaded only by users holding a SIGNAL 4.0 license. A password is required to unpack the download, available from Engineering Design.

SIGNAL 4.0 requires a SIGNAL 4.0 security key to operate, available from Engineering Design. SIGNAL 4.0 will not run with a SIGNAL 3.x security key.

If you have an earlier SIGNAL license (such as SIGNAL 3.0 or 3.1), you can purchase a SIGNAL 4.0 upgrade from Engineering Design. Click here for technical information, pricing, and ordering information.