Do not download "WhatsApp.dmg" from third-party archives (e.g., Uptodown, MacUpdate) for 10.13. These versions contain unpatched vulnerabilities (CVE-2023-24055) and broken end-to-end encryption updates. 5. Troubleshooting Matrix | Issue | Solution for 10.13.6 | | :--- | :--- | | "Browser not supported" | Use Firefox ESR 115; Chrome 116+ will block WhatsApp Web. | | QR code won't scan | Update phone WhatsApp; ensure phone OS is iOS 12+ / Android 5+. | | No notifications | Firefox ESR does not support native macOS notifications for web apps on 10.13. | | App crashes on launch | You likely installed the modern version. Delete and use Web method. | 6. Conclusion macOS 10.13 cannot run the official WhatsApp desktop application. The only production-stable workflow is using Firefox ESR 115 as a dedicated WhatsApp Web host.
As of 2025, Apple and WhatsApp have ended support for macOS 10.13. The following instructions are for legacy system maintenance. Technical Write-Up: Deploying WhatsApp on macOS 10.13 (High Sierra) 1. System Context macOS 10.13 (High Sierra) is a legacy operating system (End of Life: November 2020). The native WhatsApp Desktop application (version 2.24xx and higher) requires macOS 11 (Big Sur) or later. whatsapp mac 10.13 6 download
Upgrade your OS to macOS 10.15 (Catalina) or higher to regain full native application support and security patches. Document ID: WHT-MAC1013-LEGACY Last Tested: April 2026 Do not download "WhatsApp