There are generally two methods for Garmin Nuvi Map Update. You can either choose Garmin Express software or install community-created maps from third-party for updating your Nuvi device. But when you ask which one is the simplest and easiest method, using Garmin Express software is always be recommended. Here’s the right course of actions for your Nuvi update:

• Download and install Garmin Express on Windows.
• Now, attach your Garmin Nuvi device to your PC.
• Then, double-tap on the Garmin Express icon to open it.
• Then, click “Get Started.”
• Now, when prompted, click “Add Device.”
• Complete the Garmin Nuvi setup process.
• Click “Install All”
• Now, wait for your Garmin Nuvi to finish update installation process.