technology. Unlike traditional VPNs that offer a single encrypted tunnel, Speedify splits traffic across all available hardware interfaces (Wi-Fi, Ethernet, and Tethered Cellular) to prevent packet loss. 2. Core Functionality on Windows 8.1

Disable “Block LAN traffic” in Settings → VPN. Also whitelist your DNS (use 1.1.1.1 or 8.8.8.8) under Network Settings.

As of 2025, Speedify’s official system requirements list Windows 10 or 11. However, the legacy 11.7.8 branch will continue to work until Microsoft ends Extended Security Updates (ESU) for Windows 8.1 in 2026.

October 2025 Target OS: Windows 8.1 (64-bit & 32-bit)

If your Wi-Fi drops, Speedify routes all traffic through the Ethernet or cellular connection within milliseconds. Zoom calls, VoIP, and online gaming won’t disconnect.