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hi i have a trouble. after re instal my computer i can't re install my autocad wrong s/n they said. what should i do to fix this problem?
If your AutoCAD has been upgraded to a later version or auto-fulfilled via Subscription, then your existing serial number is invalid. If it is AutoCAD 2008 or later and you are under Subscription, you will need to contact Autodesk to get a prior use serial number.