Desktop notifications, auto-launch at startup, and custom themes (like Dark Mode).
You can find the latest version on sites like Softonic or directly from the Messenger for Desktop website . 2. The "Browser App" Method (Chrome/Firefox) messenger in windows phone 8.1 - Microsoft Q&A messenger for pc windows 8.1 free download
As of late 2025 and early 2026, Meta (formerly Facebook) has officially shut down the dedicated Messenger desktop app for older versions of Windows, including 8.1. While Windows 10 and 11 users can still find an official version in the Microsoft Store, Windows 8.1 users will typically see a message stating the app is no longer supported or will be redirected to the web version. This guide covers the current state of official
Messenger for PC Windows 8.1 Free Download: Complete Guide While official support for Facebook Messenger on older operating systems has shifted, users on Windows 8.1 still have several reliable ways to stay connected. This guide covers the current state of official apps, the best third-party alternatives, and how to use Messenger directly in your browser without a standalone download. Is there an Official Messenger App for Windows 8.1? the best third-party alternatives
However, you are not out of luck. There are three effective ways to get Messenger-like functionality on your PC. 1. The Best Unofficial Alternative: Messenger for Desktop