: If a retail key reports it has been used too many times, you must use phone activation to have a Microsoft support agent manually reset the license.
: Be cautious of "cheap" keys from gray-market sites; these are often volume licenses that Microsoft may deactivate. buy microsoft visio 2013
: You can still find "New Old Stock" or used licenses on sites like eBay or specialized software liquidators. : If a retail key reports it has