As of early 2023, Meta (Facebook) updated the WhatsApp Desktop app to a (ported from iPad). This new version dropped support for macOS 10.15 entirely.
This is the most stable method for macOS 10.15.7. Do not download the desktop app. Use the web client instead. whatsapp web mac os 10.15.7
If you want, I can:
Since your Mac is running a slightly older OS, here are tips to keep WhatsApp Web running smoothly: As of early 2023, Meta (Facebook) updated the
If you prefer a standalone window over a browser tab, you can turn WhatsApp Web into a "web app" using Google Chrome Create Shortcut : In Chrome, go to the 3-dot menu > Save and Share Install WhatsApp Web As of early 2023