Looking for logging into the Mfa site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Mfa site. After that you can login as usual with your login credentials.
https://en.wikipedia.org/wiki/Multi-factor_authentication
https://social.technet.microsoft.com/Forums/en-US/c0a4ceb0-f719-4327-b296-48badf9f6833/windows-login-with-mfa%3Fforum%3Dwin10itprosecurity
https://aws.amazon.com/iam/details/mfa/
https://www.lastpass.com/nl/multifactor-authentication
https://mfa.buas.nl/multifactorauth/
https://www.onelogin.com/learn/what-is-mfa
https://www.mavention.nl/blogs-cat/using-mfa-enabled-accounts-in-powershell-scripts/
https://www.paloaltonetworks.com/documentation/80/pan-os/pan-os/authentication/configure-multi-factor-authentication
https://www.shellpensioen.nl/-/media/sites/shellpensioen/downloads/log-in-zonder-digid/shell-pensioen-handleiding-inloggen-zonder-digid.pdf
https://kb.itglue.com/hc/en-us/articles/115002476991-Troubleshooting-MFA-sign-in
https://gobblerhelp.zendesk.com/hc/en-us/articles/206290935-Multi-Factor-Authentication-MFA-
https://www.facebook.com/help/148233965247823
https://feedback.azure.com/forums/169401-azure-active-directory/suggestions/19319638-add-mfa-support-to-secure-the-windows-10-logon