How to Check Your Windows Edition and Activation Status Before Buying a Product Key
Check your Windows edition, activation status, hardware compatibility, and license channel before buying a product key for Windows 10 or Windows 11.
Buying Guides
MicrowinKey buying guides for Windows, Office, Microsoft 365, server products, and activation support.
Office 2021 End of Support: What Buyers Should Know Before October 13, 2026
Office 2021 support ends on October 13, 2026. Learn what changes, what keeps working, and what to check before buying Office 2021, Office 2024, or Microsoft 365.
How to Check Your Office Version Before Buying a Product Key
Before you buy Microsoft Office, identify the product already installed on your computer. The product name, edition, platform, license type and bit version can all affect which installation or product key is appropriate. This guide shows how to check Office version before buying a product key on Windows and Mac. It also explains how to […]
How to Install and Activate Office Professional Plus on Windows
Check your Office edition, bit version and license channel, then install, activate and troubleshoot Office Professional Plus safely on Windows.
Windows Server 2019 Standard vs Datacenter
Compare Windows Server 2019 Standard and Datacenter before buying. Learn which edition fits smaller server environments and virtualization-heavy use.
Windows Server 2025 Standard vs Datacenter
Compare Windows Server 2025 Standard and Datacenter before buying. Learn which edition fits physical servers, virtualization, and datacenter needs.
Office 2021 vs Office 2024: Which Version Should You Buy?
Compare Office 2021 and Office 2024 before buying. Learn which one-time Office version fits your Windows PC or Mac needs.
Microsoft 365 vs One-Time Office: Which Is Right for You?
Understand the difference between Microsoft 365 account access and one-time Office product keys before buying from MicrowinKey.
Windows 11 Home vs Pro: Which Edition Should You Buy?
Compare Windows 11 Home and Pro features, hardware requirements, upgrade paths, and which edition fits home, gaming, work, or business use.