The Dexcom Update tool is compatible with the following:

Windows

• Windows 7
• Windows 8
• Windows 8.1
• Windows 10

Mac

• MacOS (formerly OS X) 10.11 (El Capitan) or later   
  
  

Access our Dexcom Update Tool here. For more information on using Windows 7 with the Dexcom Update Tool, please visit here.

Precaution: If you use Dexcom CLARITY, upload your receiver data to Dexcom CLARITY before updating your receiver with the Dexcom Update Tool. Updating your receiver software will permanently erase all stored data from the receiver. If you update your receiver you will not be able to use previous generations of our products, such as the Dexcom G4 or Dexcom G5. Updating your receiver software will reset your alerts and alarm. Consult your Dexcom User Guide for more information related to setting the alerts and alarm. Please note that after updating your Dexcom receiver you will need to re-pair your transmitter. For more information on pairing your transmitter, please click here.