Looking for logging into the Microsoft Product Key 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 Microsoft Product Key site. After that you can login as usual with your login credentials.
https://support.microsoft.com/en-ca/help/4000641/microsoft-store-find-your-downloads-and-product-keys
https://setup.office.com/
https://support.office.com/en-us/article/where-to-enter-your-office-product-key-0a82e5ae-739e-4b92-a6f4-2ec780c185db
https://support.office.com/en-us/article/using-product-keys-with-office-12a5763a-d45c-4685-8c95-a44500213759
https://support.office.com/en-us/article/activate-office-5bd38f38-db92-448b-a982-ad170b1e187e
https://www.windowscentral.com/how-link-your-windows-10-product-key-microsoft-account
https://www.yubico.com/2018/11/passwordless-login-with-the-yubikey-5-comes-to-microsoft-accounts/
https://www.online-tech-tips.com/windows-10/link-windows-product-key-microsoft-account/
https://faq.rhipe.com/hc/en-us/articles/115007739528-I-m-able-to-login-to-the-Microsoft-VLSC-portal-however-it-doesn-t-show-the-SPLA-license-keys-for-certain-products-Instead-it-asks-me-to-call-a-number-to-access-the-key-
https://www.dell.com/support/article/us/en/04/sln304490/how-to-find-and-activate-microsoft-office-2016-2019-365-on-your-new-dell-system
https://www.bestbuy.com/site/tech-tips/activate-microsoft-office/pcmcat748301880634.c?id=pcmcat748301880634
https://www.wikihow.com/Activate-Microsoft-Office-on-PC-or-Mac
https://ithelp.brown.edu/kb/articles/install-microsoft-office-office-365-students-faculty-and-staff-personal-computers