Step 1: Make sure your phone is compatible with Nokia Sensor application. Mobile download of Sensor application is not available for non-compatible phones.

Step 2: Open your phone's Web browser (marked with an or icon). Open the "Nokia.com" bookmark or type http://mobile.nokia.com into the URL field. At this point you may have to select your region.

Step 3: Navigate to "Applications" and then to "Nokia Sensor."

Step 4: Click on the link in your preferred language to start download.

Step 5: When the installation file is downloaded to your phone, installation will start automatically. Just follow the instructions on your phone. The Sensor application can be installed in the phone memory or on the MultiMediaCard (MMC) card.