If you're looking for a completely free way without scripts, I can guide you on joining the developer program instead.
###Alternative: Command Prompt (Manual) ActivationIf you have a Volume License (VL) version, you can activate via CMD: Open CMD as Administrator.
Activating Microsoft Office 365 ProPlus (or Office LTSC Professional Plus) without a official subscription is generally achieved through emulation tools . The most prominent and widely used method as of 2026 is the Microsoft Activation Scripts (MAS) , which uses a KMS-based approach, often referred to as "Ohook" for Office [5.5, 5.24, 5.26]. ⚠️ Security Warning & Disclaimer
Only use trusted open-source scripts like MAS. Avoid third-party executables labeled ".exe" for activation, as these are high-risk for malware [5.26].