The software can be used for a 30-day trial period. To continue using it beyond that, you must activate it by entering a valid serial number and a matching free activation code.

It was highly recommended for Windows users, particularly those running , though its design is most stable on older operating systems.

Go to the top menu and select > Raster Image Reference > From File .

DoubleCAD XT is designed as a standalone license. Once you have the codes, you generally do not need an active internet connection to use the software.

The original activation servers for DoubleCAD (IMSI/Design) were restructured or shut down following the company's acquisition and subsequent asset sell-off (the assets were largely acquired by TurboCAD/IMSI). Consequently, the text instructions to "connect to the server" no longer work. The software will often return an error saying it cannot connect to the activation server.