: The serial number for software like EasyMark Plus is usually required for:

I'm assuming you're referring to the "EasyMark Plus" software and are looking for information on its serial number.

That phrase — — immediately suggests a specific kind of social engineering or confidence trick, likely targeting an individual who is already known to be vulnerable (an "easy mark"), but with the added twist of a unique identifier ("serial number").

Easy Mark Plus usually allows installation on two machines (e.g., your office PC and a warehouse laptop). If you get this error, you likely have the software installed on a third PC. You must deactivate the license on an old machine before moving it to a new one. Contact support to remotely reset your if you no longer have access to the old PC.

He uncased the Colt, loaded the old cartridge into the magazine, and set it on his desk. Then he dialed the St. Martin Parish Sheriff’s Office.

Harlen knew Bobby Lee Cormier. Everyone in St. Martin Parish did. Cormier had died in prison in 2015, but his grandson—a kid named Curtis Cormier—had just sold his murder weapon back to the man who’d been waiting for it for fifty-four years.