Open the Microsoft Store . Search for "Ubuntu" (or Kali Linux, Debian, etc.) and click Install .
: Building on Windows 10 Pro's robust security features, Windows 10 Pro Ninjutsu 2020 includes additional measures to protect user data and privacy. This includes enhanced firewall controls, more sophisticated threat detection, and better encryption methods.
Microsoft marketed this as the "Windows 10 May 2020 Update," but for the Ninjutsu practitioner, it was a goldmine. Here is what build 19041 introduced that makes it ideal for customization:
[Windows 10 Pro Build 19041 Baseline] │ ├─► 800+ Pre-installed Security Tools (Red Teaming & Forensics) ├─► Anti-Telemetry System Tweaks (Disabled UWP, Cortana, & Logs) └─► Integrated Network Anonymizers (DNSCrypt, ProxyCap, VPNs) 1. Pre-Installed Security Arsenal windows 10 pro ninjutsu 2020 20 version 2004 build 19041 new
Windows 10 Pro Ninjutsu OS: A Powerhouse for Pentesters is a specialized, third-party distribution based on the Windows 10 Pro version 2004 (Build 19041) release. Released in May 2020 by developer Hassan Al-Qawzai, it is designed specifically for security experts, ethical hackers, and red teamers. Core Specifications Base OS: Windows 10 Pro. Version: 2004 (20H1). Build Number: 19041.
"Ninjutsu" is not an official Microsoft release, but a highly modified (customized operating system image). It is designed to be "fast, quiet, and stealthy," mirroring the namesake. These custom builds typically focus on:
Locates expired or reputable domains for phishing and social engineering simulations. Open the Microsoft Store
Ninjutsu moved away from the standard Windows UI in favor of a customized, high-contrast aesthetic that catered to the "hacker" persona while remaining functional. It featured a dedicated "Ninjutsu OS" menu that categorized tools by their specific function in the attack lifecycle (e.g., Sniffing, Spoofing, Post-Exploitation). This organizational structure allowed users to navigate complex workflows without searching through the traditional Start menu. Security and Privacy Enhancements
Standard installations of Windows 10 Pro are filled with consumer-oriented applications, system telemetry, and aggressive back-background processes that waste system resources and create security liabilities. Ninjutsu OS thoroughly re-engineers this behavior through a sequence of hardcoded tweaks:
Version 2004 respects the bcdedit commands better than newer builds. Run: Pre-Installed Security Arsenal Windows 10 Pro Ninjutsu OS:
Frameworks including Covenant , Merlin , Quasar , and LocalXpose .
By using the as its foundation, Ninjutsu 2020 benefits from several native Windows improvements:
For red teaming simulation, the distro provides native configurations for popular threat-emulation engines:
Penetration testers, red teamers, reverse engineers, and privacy enthusiasts Core Architecture and Features 1. Pre-Compiled Security Toolkit
As of 2025, many users ask: Why not upgrade to Windows 11 or 24H2? The answer is .