| | Type | Key Features | Notes | | :--- | :--- | :--- | :--- | | Microsoft Activation Scripts (MAS) | Open-source Tool | PowerShell-based, free, activates many Windows and Office versions | Is still an unofficial tool that violates Microsoft's terms of service. | | Official Free Upgrade | Microsoft Program | Legitimate free upgrade to Windows 10 or 11 via the Assistive Technology program | Official program may have ended; check Microsoft's official website. | | Affordable License Keys | Retail Purchase | Purchase legitimate, low-cost keys from authorized resellers | Offers a full, legal, and secure user experience with official support. | | Office Online | Microsoft Service | Free, browser-based versions of Word, Excel, PowerPoint with basic features | Requires a free Microsoft account; less feature-rich than desktop apps. |
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