Looking for logging into the Sign In Cortana 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 Sign In Cortana site. After that you can login as usual with your login credentials.
https://support.microsoft.com/en-sg/help/4046854/cortana-use-microsoft-account
https://www.microsoft.com/en-us/cortana/get-started/speaker
https://www.digitalcitizen.life/how-use-cortana-local-user-account-windows-10
https://www.tenforums.com/tutorials/4026-sign-sign-out-cortana-windows-10-a.html
https://www.howtogeek.com/283814/how-to-use-cortana-with-a-local-user-account-in-windows-10/
https://winaero.com/blog/sign-out-from-cortana-windows-10/
https://support.skype.com/en/faq/FA34775/how-can-i-use-cortana-in-a-chat-with-skype
https://techcrunch.com/2018/05/07/microsoft-shows-off-alexa-cortana-integration-launches-sign-up-website-for-launch-news/
https://www.youtube.com/watch%3Fv%3DwFGr4953Erg
https://superuser.com/questions/948319/cannot-sign-in-to-microsoft-account-cortana-using-win10
https://insider.windows.com/en-us/signup/cortana-cohort-please-sign-in/
https://support.hp.com/hk-en/document/c04648839