WISCONSIN — In the past few weeks, you may have gotten a notification on your smart phone about enabling COVID-19 exposure notifications. 

On Dec. 23, the WI Exposure Notification app was released by Gov. Tony Evers to help notify people when they've been in close contact with someone who has tested positive for COVID-19.

But, how exactly does it work? Here are answers to some of the biggest questions you may have.

Do I have to sign up for it?

No, the app is entirely voluntary. It can be downloaded in the Google Play store while iPhone users can turn the app on in their phone's general settings. Much like any other apps, you have to enable or download the WI Exposure Notification system. Similarly, it can be disabled or removed at any time.

How does it work?

For the app to properly work, bluetooth must be enabled on devices, the app must be downloaded and positive cases need to be entered.

The app uses bluetooth technology to anonymously share signals with other smartphones using the app nearby. All people in Wisconsin who test positive will receive a code to enter into their app. The app then anonymously notifies other devices, via bluetooth, that may have been in close contact within the period of time where the individual may have been contagious.

Will the app collect my data?

According to Evers' press release on the program, the WI Exposure Notification app does not "use, collect or store any GPS data or personal details" because of its use in bluetooth technology.

To enable or install the app, follow the guides below for your iPhone or Android:

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