# Activation Methods Chart Below is a comparison of activation methods offered by Microsoft Activation Scripts. Basics ------ | | HWID | Ohook | KMS38 | Online KMS | TSforge (ZeroCID) | | --- | :---: | :---: | :---: | :---: | :---: | | Does not require internet connection | ❌ | ✅ | ✅ | ❌ | ✅ | | Activation is permanent | ✅ | ✅ | ✅[^1] | ✅[^2] | ✅ | | Does not leave any files in the system to keep the activation status | ✅ | ❌ | ✅ | ❌ | ✅ | Persistence ----------- | | HWID | Ohook | KMS38 | Online KMS | TSforge (ZeroCID) | | --- | :---: | :---: | :---: | :---: | :---: | | Persists between hardware changes | ❌ | ✅ | ❌ | ✅ | ✅ | | Persists between clean installations on the same hardware | ✅ | ❌ | ❌ | ❌ | ❌ | | Persists between Windows 10 / 11 feature upgrades | ✅ | ✅ | ✅ | ✅ | ❌ | Support ------- | | HWID | Ohook | KMS38 | Online KMS | TSforge (ZeroCID) | | --- | :---: | :---: | :---: | :---: | :---: | | Windows 7 / 8 / 8.1 | ❌ | ❌ | ❌ | ✅[^3] | ✅ | | Windows 10 / 11 | ✅ | ❌ | ✅[^3] | ✅[^3] | ✅ | | Windows Server 2008 R2 / 2012 / 2012 R2 | ❌ | ❌ | ❌ | ✅ | ✅ | | Windows Server 2016 and later | ❌ | ❌ | ✅ | ✅ | ✅ | | Office 2010 | ❌ | ❌ | ❌ | ✅[^3] | ❌ | | Office 2013 and later | ❌ | ✅[^4] | ❌ | ✅[^3] | ✅[^5] | | Windows / Office KMS Host | ❌ | ❌ | ❌ | ❌ | ✅ | | Windows Extended Security Updates | ❌ | ❌ | ❌ | ❌ | ✅ | | OCUR / RP / APPXLOB addons | ❌ | ❌ | ❌ | ❌ | ✅ | --- [^1]: Valid until the year 2038. [^2]: Valid for 180 days by default. Permanent with renewal task installed. [^3]: Volume activation capable editions only. [^4]: Supported only on Windows 8 and later. [^5]: Supported only on Windows 8 and later; subscription editions are not supported.