Microsoft Office Professional 2021 is available for .97, significantly reduced from its regular price of 9.99. It includes essential applications such as Word, Excel, PowerPoint, Outlook, OneNote, Access, and Publisher, along with a free version of Teams. This software can be installed on one Windows PC, supporting Windows 10 and Windows 11, but is not compatible with Windows 7, Windows 8, or virtual machines like Parallels Pro. The installation process is straightforward, providing a simple solution without the complexities of subscription models.