For users on macOS 10.15.7 (Catalina), the official WhatsApp Desktop app is no longer natively supported, as current versions require macOS 11 (Big Sur) or higher
. However, you can still fully access WhatsApp using the web-based alternative or specific browser features to mimic a desktop experience. JustAnswer Primary Solution: WhatsApp Web
The most reliable way to use WhatsApp on Catalina is through a standard web browser. : Navigate to web.whatsapp.com in a modern browser. Compatibility
: To ensure all features (like calling) work correctly, use the following minimum browser versions: Chrome 85+ Safari 15.2+ Firefox 115+ Edge or Opera 85+ : Open WhatsApp on your phone, go to Settings > Linked Devices , and scan the QR code displayed on your Mac screen. JustAnswer How to "Install" WhatsApp Web as an App
You can create a standalone shortcut that lives in your Dock and works like the official app using Google Chrome: Google Chrome web.whatsapp.com three-dot menu in the top right corner. Save and Share Install WhatsApp Web
This creates an individual application icon in your Dock that operates in its own window, avoiding the clutter of browser tabs. Apple Support Community Alternatives for Catalina How To Make A New Line In WhatsApp Web - Full Guide
For macOS 10.15.7 (Catalina), the official WhatsApp desktop app is no longer supported, as it now requires macOS 12.1 or newer. To continue using WhatsApp on this version of macOS, you should use WhatsApp Web through a browser. How to Use WhatsApp Web on macOS 10.15.7 Open your browser: Launch Safari, Chrome, or Firefox. Go to the website: Navigate to web.whatsapp.com. Open WhatsApp on your phone: Android: Tap the three dots (Menu) > Linked devices. iPhone: Tap Settings > Linked devices. whatsapp web mac os 10.15.7
Scan the QR code: Tap Link a Device on your phone and point the camera at the QR code displayed on your Mac screen.
Start chatting: Your messages will sync automatically in the browser window. Pro-Tip: Create a "Desktop App" Experience
Since there is no compatible standalone app, you can turn the web page into a dedicated window using Google Chrome: Open web.whatsapp.com in Chrome. Click the three dots in the top right corner. Select Save and Share > Install page as app.
This adds a WhatsApp icon to your Launchpad, allowing it to function like an independent app. Troubleshooting
Browser Compatibility: Ensure your browser is updated. WhatsApp Web typically requires Safari 15.2+ or Chrome 85+.
Connectivity: If it won't load, try clearing your browser cache or toggling your Wi-Fi off and on. For users on macOS 10
New Lines: To start a new line while typing (instead of sending the message), hold the Shift key and press Enter. How To Make A New Line In WhatsApp Web - Full Guide
Ferdium is a community fork of Franz. The Catalina-compatible version (6.4.1) works flawlessly. It allows you to run WhatsApp Web plus Messenger, Telegram, and Slack in one window—saving RAM on an older Mac.
Why this is the best method for power users: Third-party wrappers remember your login (via token storage) so you don't have to scan the QR code daily. They also support dark mode and desktop notifications without hogging your browser tabs.
Yes. Click the microphone icon in the chat input – your Mac’s built-in mic works fine after granting permissions.
If you want, I can:
WhatsApp officially offers a native desktop app for macOS, but it requires macOS 11 (Big Sur) or newer. This means you cannot install or run the official WhatsApp Desktop app on macOS 10.15.7. Attempting to do so will result in an error message about an incompatible operating system. Ferdium (Open Source) Ferdium is a community fork of Franz
However, this does not mean you cannot use WhatsApp on your Mac. The solution is WhatsApp Web.
Point your phone’s camera at the Mac’s screen. The QR code scan is instantaneous. Within seconds, your chat history will sync.
Apple stopped releasing security updates for Catalina in July 2022. That means your Mac is vulnerable to exploits that could intercept WhatsApp Web sessions.
Firefox Extended Support Release (ESR) is available for Catalina. Download Firefox ESR from the official archive. It runs WhatsApp Web fluidly, though voice call features may be limited compared to Chrome.
Note on Voice/Video Calls: On macOS 10.15.7, WhatsApp Web’s voice and video call features in a browser are unreliable. They require specific codecs (H.264, Opus) and system permissions that often fail on older OS versions. Stick to text messaging via the browser.