Essential Guidelines for Installing Office 2021

Once installed and activated on a single device, this product remains activated indefinitely.
There is no upgrade path provided with this product. Should you wish to move to a future version, a new purchase is required.
Office 2021 Professional Plus is suitable for home, educational, or commercial purposes. For businesses subject to Microsoft audits, it's advised to consult with Microsoft directly about Retail licensing and audit compliance.
This license is incompatible with Servers operating RDS CALs; only volume licenses, which we do not offer, are valid in such scenarios.
This version of Office is compatible solely with Windows 10 and Windows 11 systems.
To activate and install this product, any existing Office software on the computer must be uninstalled, including trial versions of Office 365 found on new PCs. We recommend using the Microsoft support and recovery tool to verify and remove previous installations. Access the tool here: download the Microsoft tool.