If you previously purchased Office 2013, you can usually redownload it by signing into the Microsoft Services & Subscriptions page.

Microsoft offers a free, web-based version of Word, Excel, and PowerPoint at Office.com. It requires no product key and stays updated automatically.

Microsoft Office Professional Plus 2013 is a productivity suite developed by Microsoft. It includes a range of applications, such as Word, Excel, PowerPoint, Outlook, and more. This suite is designed for businesses and organizations, offering advanced features and tools to enhance productivity and collaboration.