go to the online license service
https://secure.softwarekey.com/solo/cus ... fault.aspx
login with your dcad login, licenses Activations, pick the 18 license, manage it, hit the red "X" to deactive the old, then go back and start 18 again on your computer, and use your login again.
Use this forum to ask questions about DataCAD 18 and DataCAD LT 18.
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