OpenConnect Windows Installer
OpenConnect SSL VPN
Free open-source SSL VPN client supporting multiple protocols including AnyConnect
What is OpenConnect?
OpenConnect is a free open-source SSL VPN client that provides secure remote access to private networks. This cross-platform solution offers reliable VPN connectivity for both enterprise and individual users.
The client stands out for its compatibility with Cisco AnyConnect VPN servers while remaining completely open-source. Its modular design allows for extensive customization and integration with various authentication methods.
Core Functionality & Advantages
Multi-Protocol Support
Compatible with multiple enterprise VPN protocols including AnyConnect and Pulse Secure
Multi-OS Support
Available for Windows, Linux, macOS, Android, and other platforms
Advanced Security
Provides military-grade encryption with support for two-factor authentication
Community-Driven Development
Completely free and open-source with transparent code development
Download OpenConnect
Available for all major platforms – completely free and open-source
Windows
Download for Windows openconnect for windowsopenconnect for windows
Linux Systems
Red Hat/CentOS RPM packages
Apple macOS
macOS 10.15 and later
Installation Guide for Windows
Download the Installer
Obtain the Windows-compatible version from the project’s official download page. The installer is typically available as a standard .exe file for easy installation.
Run Installation
Launch the downloaded installer with administrator privileges for proper system access. The installation process typically takes 2-3 minutes on modern Windows systems.
Configure VPN Connection
Configure the client by entering your organization’s VPN server address and credentials. Set up authentication credentials, certificates, or token-based login as per your network requirements.
Establish Connection
Select your configured connection profile and click connect to establish the VPN tunnel. Confirm successful connection through status indicators and test network accessibility.
Troubleshooting Common Issues
Connection Failures
Check firewall settings and ensure required ports are open for VPN traffic. Validate that your user account has proper VPN access permissions.
Certificate Errors
Ensure system clock is synchronized and certificates haven’t expired. Check for self-signed certificates that may require manual acceptance.
Note: Enterprise users should contact their network administrators for customized setup instructions. Some networks require additional security software or specific configuration tweaks.

