How to set up two-factor authentication for your Skype accountAdd an extra layer of protection to your Skype account by enabling two-factor authentication.
Two-factor authentication adds an extra factor (a generated code, in this case) to your login process, so even if your account's password is somehow discovered your account stays locked without the code. It's a good idea to get two-factor authentication locked and loaded on any account that offers it. Skype accounts support three two-factor authentication methods: email, phone number, and authenticator app.
How to link your Skype and Microsoft accounts
After Skype was acquired by Microsoft, the service added two-factor authentication for Skype accounts linked to Microsoft. Before you enable two-factor authentication, you'll need to link your Skype account to your Microsoft account. Follow along to learn how!
Log in to your Skype account online.
Click Account settings below your profile photo on the left side of the page.
Click Connect a Microsoft account.
Click Your info in the toolbar...
Source:
How to set up two-factor authentication for your Skype account
