Depending on your smartphone type, do so according to this article: You'll be prompted to download Google Authenticator at the next screen from the Apple Store. Select the radio button 'iPhone, iPad or iPod touch', not Android or Windows Phone, even if you have such a device.ħ. Click 'Set up identity verification app'.Ħ. Scroll down to 'Identity verification apps'.ĥ. Click 'More security settings' under 'Account settings'.Ĥ. When you turn on two-factor authentication for a Microsoft account, follow these steps if you want to use Google Authenticator as a connected app.ģ. It most likely isn't, but I'll check and update this post if I find it. Unfortunately, I don't know if this extension is also available for Firefox, Opera, Internet Explorer, Microsoft Edge, or any others.

You can toss your phone down the drain if you want an excuse to get a new one, and you'll still be able to use 2FA on whatever accounts the app is compatible with. I've stated Google Authenticator to be the most convenient application you can use because it has a Chrome extension (pictured in the screenshot below).

You can turn off 2FA if you like, but that leaves your account more vulnerable. However, if you lose your phone or it stops working like mine did a few days ago, you'd have a problem logging in. If you use Microsoft account like I did, it's easier to use due to allowing you to simply tap 'Yes' or 'No' in response to an authentication request. If you use two-factor authentication for your Microsoft account, Google Authenticator is probably the most convenient application to use.

Google authenticator windows