Looking for logging into the B2c 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 B2c site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/en-us/azure/active-directory-b2c/direct-signin
https://docs.microsoft.com/pl-pl/azure/active-directory-b2c/active-directory-b2c-setup-fb-app
https://techcommunity.microsoft.com/t5/Azure-Active-Directory/B2C-with-custom-login-URL/td-p/44040
https://docs.microsoft.com/en-us/azure/active-directory-b2c/customize-ui-overview
https://stackoverflow.com/questions/53014164/login-into-azure-ad-b2c-portal-with-work-accounts
http://www.google.pl/url?url=http://cmscsconline.co.in/upcscapp/
https://www.youtube.com/watch%3Fv%3Da1s6LMXi7Xk
https://www.youtube.com/watch%3Fv%3Dh5bxhZRF4mI
https://github.com/MicrosoftDocs/azure-docs/issues/19422
https://www.b2ceurope.eu/
https://www.loginradius.com/customer-identity-management-b2c-ciam/
https://www.netiq.com/documentation/access-manager-44-appliance/admin/data/t4423czjxl4s.html
https://www.zaius.com/