Key Details
Microsoft Office 2019 is a standalone software that you can purchase once and use forever. Here are some key details:
- Product Key: If your purchase of Office 2019 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office.
- Installation: To install or reinstall Office 2019, if you see the error “This product key has already been used” when you enter your product key on www.office.com/setup or Microsoft365.com/setup,
Developer's Description
The Microsoft Office Developer is part of the Microsoft 365 Developer Program.
- Microsoft 365 Developer Program: This program is a resource for developers who want to build solutions on the Microsoft 365 platform. It offers a Microsoft 365 E5 developer subscription to members who qualify.
- Developer Subscription: As a qualified program member, you can use the developer subscription to build solutions independent of your production environment.