- One-time purchase for 1 PC or Mac - Classic 2021 versions of Word, Excel, PowerPoint, and Outlook - Microsoft support included for first 60 days at no extra cost - Compatible with Windows 11, Windows 10, or macOS - Works with Microsoft Teams Office Home & Business 2021, Win/Mac, ESD, Multi, EU, 1U Microsoft Office Home & Business 2021. License type: Full, License quantity: 1 license(s), Localization: EU. Language version: Multilingual, Software type: Electronic Software Download (ESD). Windows operating systems supported: Windows 10,Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10..., Minimum storage drive space: 4000 MB, Minimum RAM: 2048 MB