During installation, Windows may ask you to confirm the installation of "S7 EPAT" drivers. These are for Ethernet/PPI communication with LOGO! hardware. Click Install/Trust.
Siemens LOGO! Soft Comfort V8.4 enables engineering for 8.4 basic devices with improvements in security, email functionality, and installation. The update is available for existing users on the Siemens SIOS portal, while a free demo allows for program simulation. Download the software at Siemens Industry Online Support. LOGO!Soft Comfort V8.4 Demo - ID: 109826921 - Support
Getting Started with LOGO! Soft Comfort V8.4: A Complete Download and Setup Guide
Whether you're a seasoned automation pro or just starting with smart home projects, the release of Siemens LOGO! Soft Comfort V8.4
brings a massive wave of connectivity improvements, especially for IoT applications. What’s New in V8.4?
The biggest shift in version 8.4 is its focus on the cloud. Unlike previous versions, V8.4 now supports: Expanded Cloud Connectivity : Native support for Microsoft Azure Alibaba Cloud , and any general MQTT broker , alongside existing AWS support. Email Notifications
: The base module can now send customized emails triggered by specific events. Enhanced Memory
: New VX and VR memory areas for extended data storage and retentivity. Batch Downloads logo soft comfort v8.4 download
: Save time by downloading programs to multiple devices simultaneously. How to Download and Install
Depending on your current setup, there are two main ways to get the software: 1. The Free Demo Version
If you want to test the features before buying, Siemens offers a LOGO! Soft Comfort V8.4 Demo Limitations : You can create and simulate programs, but you cannot download them to a physical PLC.
: Sign in to the Siemens Support Portal, download the 3.8 GB zip file, and run the 2. The Full Upgrade (For Existing Users)
If you already own a previous version (like V8.0 or V8.3), the upgrade to V8.4 is typically free. License Check : LOGO! Soft Comfort doesn't use a digital license key; the original installation DVD serves as your license. Installation Download the upgrade package from the Siemens Industry Online Support
If an older version is already installed, the installer will update it directly.
If you're on a new PC without the old version installed, you'll be prompted to insert your original DVD during the process to verify ownership. System Compatibility During installation, Windows may ask you to confirm
V8.4 is designed to run on modern operating systems, including: Download & Installation for Upgrade LOGO soft comfort
Siemens LOGO! Soft Comfort V8.4: Download and Installation Guide
Siemens released LOGO! Soft Comfort V8.4 in late 2023, introducing critical updates for LOGO! 8.4 basic devices, including enhanced cloud communication and improved email server support.
To acquire the software, users generally have two paths: downloading the Demo Version for learning or applying the V8.4 Service Pack/Upgrade if they already own a valid license for a previous version. How to Download LOGO! Soft Comfort V8.4
The official software can be found on the Siemens Industry Online Support (SIOS) portal.
Demo Version: A free LOGO! Soft Comfort V8.4 Demo is available for testing and training. It supports programming but cannot upload or download to a physical PLC.
Full Version/Upgrade: Existing owners of LOGO! Soft Comfort (Version 7 or later) can download the V8.4 Service Pack 1 Upgrade for free. ⚠️ Important Note: LOGO
Registration Required: You must sign in or register for a free account on the Siemens portal to access these downloads. System Requirements & Compatibility
The software is cross-platform and supports the following operating systems:
Windows: Windows 11, Windows 10 (32 and 64-bit), Windows 8, and Windows 7 (64-bit).
Mac OS: 10.14 Mojave up to Mac OS 12.1 Monterey. Specialized installation guides exist for newer versions like macOS 15 Sequoia. Linux: Tested on SUSE Linux 15 (64-bit). 6ED1058-0BA08-0YA1 - Support - Siemens
⚠️ Important Note:
LOGO! Soft Comfort V8.4 is an older version (released around 2018-2019). Siemens now recommends V8.5 or newer for Windows 10/11 compatibility. Use V8.4 only if you need to maintain an older project or PC with Windows 7/8.
After installation, reboot your PC. Launch LOGO! Soft Comfort V8.4.
Yes. If you have a valid software update contract or a license that covers the upgrade, you can install V8.4 over your existing installation. It will generally recognize your existing license.
No. It is paid commercial software. However, Siemens offers a fully functional trial version that works for a limited time (usually 7 days), allowing you to evaluate the features before purchasing.
After downloading, verify the file integrity using an MD5 checksum (provided on the download page) to ensure the file is not corrupted.
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