Dexcom receiver updates can be done in Dexcom Clarity when software updates are available. To see if a software update is available, log in to Dexcom Clarity and select “Upload.” Follow the onscreen instructions to install the uploader if you have not already. After plugging in your receiver, Dexcom Clarity will check to see if any updates are available for your receiver. If updates are available, select the Update button and follow the onscreen prompts.