No existing Visio files or drawings will be harmed, and you can easily change Visio out of reduced-functionality mode by following the instructions that are outlined in the screens presented. In reduced-functionality mode, you cannot save modifications to documents or create a new document, and additional functionality may be reduced. If you do not activate the product, it runs in a reduced-functionality mode. You can run Visio up to 10 times without activating it.

In either case, after you activate your product, you will have a license to use Visio that never expires. If you select the Activate by using the telephone option, call the telephone number that is provided in the Activation Wizard, and type the confirmation number that is provided by the customer service agent. If you are using a valid product key that has not been used previously, your product is activated immediately. If you select the Activate by using the Internet option, the Activation Wizard automatically contacts the Microsoft licensing servers through your Internet connection. You are presented with two activation options, or you can choose to active at a later time: When you start Visio for the first time after installation, the Microsoft Activation Wizard automatically runs. It is a perpetual license to use the Visio product. This article describes how to activate the perpetual license of Microsoft Office Visio.

Find visio 2013 product key in registry