The easiest way to add 2FA to your account is to use both a phone and a computer as described by the sequence below:
On computer:
1.) Open up your computer and sign in to your Swan account
2.) Navigate to https://app.swanbitcoin.com/2fa
3.) Click that you have an authentication app.
4.) Then pause when it shows you a QR code and pick up your phone.
On phone:
4.) Download Google Authenticator (Android or iOS) onto your phone
5.) Click the plus button in google authenticator to add a new account
6.) Select "Scan QR Code"
7.) Hold your phone in front of your computer. Boom! Your Swan account is added to your authenticator app.
Back on your computer:
8.) Input the code generated by your phone
9.) Click through to the end of the 2FA addition sequence
Congratulations your Swan account now has app-based 2FA enabled on it. Going forward you will need to enter your six-digit authentication code from your app when you log in or add new wallets.
If you need video assistance, check out this video overview.