Setup for Dropbox
1. Enable Two-step verification
There are two ways to get the security code.
Firstly, using the text messages to get the code.
Secondly, choosing the mobile app to get the security code. You can download an authenticator app from App store or Google Play.
After input the security code, just save your backup codes and enable the two-step verification.
2. Register your security key
Caution: Dropbox only supports Google Chrome browser. Please switch to Chrome if you see the prompt below.
Now, you can add your security key.
You can click here to get help about turn on the 2-step verification.