xiry.

Development · GitHub repo

TSforge

Activation and evaluation extension utility for Windows Vista through 11

From the Xiry library · Updated 3 October 2026

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TSforge is an open-source C# command-line tool that reads and edits the Windows Software Protection Platform physical store. It enables local license management, evaluation timer resets, and offline activation without injecting system binaries or maintaining background network connections.

What it's for

  • Extend Windows evaluation periods by resetting grace timers and rearm counters
  • Activate Extended Security Updates (ESU) addons on legacy Windows versions
  • Dump, decrypt, and inspect Windows physical licensing store files
  • Configure offline KMS and AVMA activation for local virtual machines

Features

  • Offline KMS4k and AVMA4k activation methods
  • ZeroCID activation for phone-activatable Windows editions
  • Trusted physical store dump, decrypt, load, and re-encrypt options
  • Evaluation period and rearm counter resets
  • Tamper state removal for corrupted or modified stores
  • Installation ID (IID) parameter configuration independent of installed keys

Pricing

Open source. Free and open source under GPL-3.0

Details

Type
GitHub repo
Category
Development
Topic
System Administration
Open source
Yes
Platforms
Windows, Command line
For
System administrators, reverse engineers, and legacy Windows maintainers
Alternative to
Microsoft Activation Scripts
Tags
windows, licensing, cli, csharp, spp, open source

Why it was saved

  • @remy.engineering, 10 September 2026: Enables activating Microsoft Windows and Office suites without paying for ongoing subscriptions.

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Updated