Your learning journey with Dexcom G7

Follow these simple steps to discover what you need to know about setting up and using your Dexcom G7 real-time Continuous Monitoring (CGM) system.
Dexcom is here to support you on your journey with us, we’ll show you how to get the best out of your Dexcom G7 and where to find additional help and guidance.
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Getting started with Dexcom G7

Overview of the Dexcom G7 system
Setting up Dexcom G7 on your smartphone*
To get set up, watch the video below, then follow the instructions to download the Dexcom G7 app to your smartphone.*
Download the Dexcom G7 app from the App Store or Google Play store to your compatible smart device.* Follow the onscreen instructions, including watching the in-app training videos in full.
Please note that the Dexcom G7 app can only be downloaded if you are located in the country of purchase – UK or Ireland. If you are travelling abroad, please make sure you download the app before you go. If you uninstall and try to reinstall the app whilst outside the country of purchase, the download will not work.
Before upgrading your smart device or its operating system, check the compatibility page. Automatic updates can change settings or shut down the app so we advise manually updating.

Set up Dexcom G7 with a Receiver

Insert Your Sensor on Your Arm

Insert Your Sensor on Your Abdomen

How are you doing ?
Have you successfully set up your Dexcom G7 system?
Response to further support will be within 48 hours.

Understand your glucose readings and trends

Setting Your Glucose Alerts

Frequently Asked Questions

Q. How do I create a Dexcom user account?
If you ordered your supplies through this website, you can log in with the same Dexcom account details (email and password).
If you received funding for your Dexcom G7 and don’t yet have a Dexcom account, set one up in the app using the in-app instructions.
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Looking for help?

Don’t worry, our Technical Support Team are here to help you with your Dexcom G7 system.

Your first 10 days

Your Dexcom G7 sensor lasts up to 10 days. Next, we will show you how to replace your sensor and how your system can guide your treatment decisions.
This page is for supplementary purposes only, please refer to your IFU for complete instructions.
*For a list of compatible smart devices, visit

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