Since there is no native Garmin Express binary for Linux, you can try these popular community-tested methods: Garmin Express on Linux | Wine Setup and Configuration
Official support does not currently exist, as Garmin only provides official versions for Windows and macOS . While the software is essential for syncing fitness data, updating maps, and managing device firmware, Linux users must rely on technical workarounds or alternative methods to maintain their devices. How to Run Garmin Express on Linux garmin express linux download