How to Update Garmin GPSMAP 64st Software: Complete Guide

Keeping your Garmin GPSMAP 64st software up to date is essential for reliable performance and accurate navigation. Software updates (also called firmware updates) improve device stability, fix bugs, enhance satellite connectivity, and sometimes add new features. If you regularly use your GPSMAP 64st for hiking, geocaching, or outdoor exploration, updating the software ensures your device runs smoothly when you need it most.

This guide explains how to update the Garmin GPSMAP 64st software step by step.

Why Update GPSMAP 64st Software?

Updating your device software provides several key benefits:

Improved System Stability: Fixes glitches and performance issues.
Enhanced GPS Accuracy: Better satellite tracking and positioning.
Bug Fixes: Resolves known technical problems.
Compatibility Improvements: Ensures smooth connection with newer accessories and systems.
Optimized Performance: Faster response and improved battery management.

Regular software updates help keep your handheld GPS reliable in all outdoor conditions.

Method 1: Update GPSMAP 64st Software Using Garmin Express (Recommended)

The safest and easiest way to update your Garmin GPSMAP 64st software is through Garmin Express, Garmin’s official update tool.

Step 1: Download and Install Garmin Express

Visit the official Garmin website.
Download Garmin Express for Windows or Mac.
Install the application by following the on-screen instructions.
Launch Garmin Express after installation.

Step 2: Connect Your GPSMAP 64st to the Computer

Turn on your GPSMAP 64st.
Use a USB cable to connect it to your computer.
Wait for Garmin Express to detect the device.

If this is your first time connecting, you will need to add the device.

Step 3: Add the Device

Click “Add a Device.”
Select your GPSMAP 64st when it appears.
Sign in to your Garmin account or create one if prompted.

Garmin Express will automatically check for available software updates.

Step 4: Install the Software Update

If a firmware update is available:

Click “Install” next to the software update.
Review the update details if needed.
Allow the installation process to complete.

⚠️ Important: Do not disconnect the device during the update. The process may take 10–30 minutes depending on the update size.

Step 5: Safely Disconnect and Restart

After the update is complete:

Wait for the confirmation message in Garmin Express.
Safely eject the device from your computer.
Disconnect the USB cable.
Restart your GPSMAP 64st if required.

Your software is now updated.

Alternative Method: Manual Software Update (Advanced Users)

Advanced users may download software update files from Garmin’s support page and manually transfer them to the device. However, this method is generally not necessary if Garmin Express is available and working properly.

For most users, Garmin Express is the safest and simplest option.

How Often Should You Update the Software?

Garmin releases firmware updates periodically to improve performance and fix issues. It is recommended to:

Check for updates every few months.
Update before long outdoor trips.
Enable notifications in Garmin Express.

Keeping the software current ensures consistent and reliable operation.

Common Update Issues and Solutions

Device Not Recognized

Try a different USB port.
Use the original Garmin cable.
Restart both your computer and the GPS device.

Update Fails or Freezes

Restart Garmin Express.
Reconnect the device.
Ensure you have a stable internet connection.

Slow Update Process

Close other programs using internet bandwidth.
Avoid disconnecting the device during installation.

Tips for a Smooth Software Update

Make sure the device battery is fully charged.
Use a reliable internet connection.
Back up important waypoints and tracks before updating.
Avoid interrupting the installation process.
Always use official Garmin software tools.

Final Thoughts

Updating the Garmin GPSMAP 64st software is an important part of maintaining your handheld GPS device. Regular firmware updates improve system performance, enhance GPS accuracy, and resolve potential issues. By using Garmin Express, you can safely and easily keep your device up to date.

Before heading out on your next hiking or outdoor adventure, take a few minutes to check for updates to ensure your GPSMAP 64st is ready to perform at its best.