![](https://d1ljvnrgb7j023.cloudfront.net/assets/admin/2.1.330/img/app-authenticating.jpg)
Authenticator apps are a software-based authenticator installed on your mobile devices that are used to generate a one-time code that you use to further confirm your identity (beyond the typical username and password).
There are a number of apps that you may download and use for FREE. Here are a couple popular ones that you could try:
![](https://d1ljvnrgb7j023.cloudfront.net/assets/admin/2.1.330/img/google-authenticator-icon.png)
Google Authenticator
![](https://d1ljvnrgb7j023.cloudfront.net/assets/admin/2.1.330/img/microsoft-authenticator-icon.png)
Microsoft Authenticator