See It in Action
A modern, intuitive interface for professional Modbus testing and simulation.
Address Scanner
Live Charts
Connection Setup
Test, debug, and simulate Modbus devices without physical hardware. Live data monitoring, fault simulation, and real-time register testing. Master + Slave modes included — no subscriptions, no separate purchases.
Windows 10/11 · 64-bit · Free 30-day trial · No credit card · Download page →
A modern, intuitive interface for professional Modbus testing and simulation.
Address Scanner
Live Charts
Connection Setup
: Upon launching, the tool detects the current status of your Windows or Office license.
While KMSAuto is popular for its ease of use, it is essential to understand how it works, its features, and the potential security implications of using third-party activation tools. What is KMSAuto Net v1.6.4?
KMSAuto Net v1.6.4 remains a powerful tool for those looking to manage Windows and Office activations through KMS emulation. Its combination of a simple interface and automated scheduling makes it a go-to choice for many. However, users should weigh the convenience against the security risks of third-party software and consider official licensing for long-term stability and support.
: One of the most useful features is the ability to create a "Task" in Windows Task Scheduler. Since KMS activations typically expire every 180 days, the scheduler ensures the software re-activates itself automatically in the background.
: Supports almost all versions of Windows (Vista, 7, 8, 8.1, 10, 11) and Microsoft Office (2010, 2013, 2016, 2019).
Version 1.6.4 is a refined iteration of the tool, known for its stability and compatibility with modern versions of Windows, including Windows 10 and Windows 11. Key Features of the v1.6.4 Release
The tool operates by installing a temporary KMS server emulator on your system. Here is the general workflow:
: It starts a local KMS service that listens for activation requests.
: Using KMSAuto to activate software without a genuine license is a violation of Microsoft’s Terms of Service and copyright laws. For business environments, this can lead to significant legal and financial audits.
: Includes "Professional" settings for users who want to manually configure KMS service parameters or install specific GVLK keys.
Direct pricing. No marketing overhead. No subscriptions. Just great software.
One tool. Both sides of the protocol. Full visibility. Master + Slave included — competitors charge separately.
TCP, UDP, RTU, ASCII, RTU-over-TCP, ASCII-over-TCP, RTU-over-UDP, ASCII-over-UDP. RS-485 RTS toggle and local echo support.
FC01-06, FC08 Diagnostics, FC11 Event Counter, FC15/16 multi-write, FC17 Report Server ID, FC22 Mask Write, FC23 Read/Write, FC43 Device Info.
Real-time line charts with up to 8 simultaneous address traces. Color-coded, auto-scrolling, time-based display.
16-bit signed/unsigned/hex/binary/BCD, 32-bit float (4 byte orders), 64-bit double, 32/64-bit long, and ASCII string.
Log to CSV or XLSX in real-time. Print or export to PDF. REST API for Excel/VBA integration. Full communication logger with TX/RX hex data.
NEW: Raw frame analysis, exception injection, burst/adaptive polling, frame-level diagnostics. PLUS: Test Center, Address Scanner, color rules, scaling/offset, broadcast mode, ENRON/DANIEL addressing.
21+ display formats with 4 byte-order options. Scaling, offset, and conditional color rules.
: Upon launching, the tool detects the current status of your Windows or Office license.
While KMSAuto is popular for its ease of use, it is essential to understand how it works, its features, and the potential security implications of using third-party activation tools. What is KMSAuto Net v1.6.4?
KMSAuto Net v1.6.4 remains a powerful tool for those looking to manage Windows and Office activations through KMS emulation. Its combination of a simple interface and automated scheduling makes it a go-to choice for many. However, users should weigh the convenience against the security risks of third-party software and consider official licensing for long-term stability and support. kmsautov164
: One of the most useful features is the ability to create a "Task" in Windows Task Scheduler. Since KMS activations typically expire every 180 days, the scheduler ensures the software re-activates itself automatically in the background.
: Supports almost all versions of Windows (Vista, 7, 8, 8.1, 10, 11) and Microsoft Office (2010, 2013, 2016, 2019). : Upon launching, the tool detects the current
Version 1.6.4 is a refined iteration of the tool, known for its stability and compatibility with modern versions of Windows, including Windows 10 and Windows 11. Key Features of the v1.6.4 Release
The tool operates by installing a temporary KMS server emulator on your system. Here is the general workflow: KMSAuto Net v1
: It starts a local KMS service that listens for activation requests.
: Using KMSAuto to activate software without a genuine license is a violation of Microsoft’s Terms of Service and copyright laws. For business environments, this can lead to significant legal and financial audits.
: Includes "Professional" settings for users who want to manually configure KMS service parameters or install specific GVLK keys.
Download includes a 30-day free trial. No credit card required.
Windows 10/11 · 64-bit · 118 MB
Windows SmartScreen Warning?
After downloading, Windows may show a "Windows protected your PC" warning. This is normal for new software. To install:
1. Click "More info"
2. Click "Run anyway"
The app is 100% safe — no malware, no adware.