Upgrade your office software with the Microsoft Office Professional 2021 Retail Box. This software suite is perfect for businesses and individuals who need reliable and efficient tools for managing their documents, spreadsheets, and presentations. With a lifetime-key card and USB install, you can easily set up the software on your Microsoft Windows 10 or 11 64-bit device without any hassle. The package includes license and USB for one device, which means you can start using the software immediately after installation. This retail version is perfect for those who don't want to commit to a subscription service and prefer to have full control over their software. With a minimum hard drive space of 4 GB, minimum RAM of 4 GB, and minimum processor speed of 1.6 GHz, this software is suitable for most modern computers.