Downloads satellite positions to help the GPS receiver lock onto signals much faster. TomTom HOME Patching:

Technical Topic Report: FastActivate for TomTom Devices Executive Summary FastActivate

This tool is generally for older "NAV2" devices that connect via TomTom HOME

To give you the most accurate advice on using FastActivate, could you tell me: What is the of your TomTom (e.g., XL, GO 730)? Are you trying to update to a specific map version ?

Matches your device's unique item code with cryptographic keys found in a centralized metadata database.

Follow these steps carefully to patch your Navcore and activate your new maps. Step 1: Connect Your TomTom to Your PC