Last week we discussed the basics of two-factor authentication (2FA) and why it's a good idea to take advantage of it. If you haven't read the article, I recommend you do, after which you'll likely get used to the idea of having 2FA on some of your accounts.
Just yesterday I had to go into Google Authenticator for a code and when I logged into my GitHub account from my husband's laptop, I needed to enter the code I got by text. But there is another way, and it's a tiny FIDO U2F security key that I've now put on my keychain.
The FIDO U2F Key is less than $20 on Amazon. The key came in a tiny envelope that at first I didn't even see in the Amazon box (it can't be more than 2 x 2 inches.) You need to set it up using the manufacturer's website, in this case Yubico, to try the security key.