Apple released macOS Catalina (10.15.7) as the final update to the Catalina operating system. While it remains a stable environment for many users, its age introduces compatibility hurdles for modern software. If you are trying to link WhatsApp to your Mac running macOS 10.15.7, you have likely noticed that the official desktop application in the Mac App Store requires macOS 11 (Big Sur) or newer.
Since you cannot install the standalone app, you can use to make WhatsApp Web feel like a real application: Open web.whatsapp.com in Chrome. Click the three dots in the top right corner.
: The official WhatsApp Help Center confirms that the newer client requires macOS 12.1 or later.
: You do not need to download .dmg files or use the Mac App Store. whatsapp web mac os 10157 link
Unlike Windows, macOS has stricter security protocols for WebSocket connections (wss://). Error 10157 generally surfaces for three reasons:
This guide provides the official links, alternative setup methods, and troubleshooting steps to get WhatsApp working perfectly on macOS 10.15.7. The Official WhatsApp Web Link
Make sure your mobile app is updated to the latest version. Conclusion Apple released macOS Catalina (10
If your device fails to link or the page hangs on a loading screen, try these proven fixes for macOS Catalina: 1. The Loading Screen Freezes
: Instantly mirrors all your mobile chats, contacts, and media.
Ensure your browser meets the minimum version requirements for calling and messaging features: : Version 15.2+. Google Chrome : Version 85+. Mozilla Firefox : Version 115+. Microsoft Edge : Version 85+. WhatsApp Help Center Whatsapp Desktop for OS 10.15.7 - Apple Support Community Since you cannot install the standalone app, you
Highly stable on older macOS versions and offers excellent privacy controls for web messaging.
WhatsApp Web on macOS 10.15.7: How to Link and Chat Seamlessly
When you see error 10157, the QR code might load, but after scanning, the connection stalls. This happens most frequently on Safari, but can also appear on Chrome and Firefox for Mac.