Looking for logging into the Sap C4c 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 Sap C4c site. After that you can login as usual with your login credentials.
https://www.sap.com/community/topics/cloud-for-customer.html
https://archive.sap.com/discussions/thread/3946616
https://www.youtube.com/watch%3Fv%3DGnQpzzGDBUE
https://www.youtube.com/watch%3Fv%3D898KbJodZVU
https://www.youtube.com/watch%3Fv%3D-_v5jMr41w4
https://www.youtube.com/watch%3Fv%3D6YNbvYOz8OI
https://www.youtube.com/watch%3Fv%3DgBdOc_1V0TY
https://www.onelogin.com/connector/SAP%2520C4C
https://www.microsoft.com/en-in/p/sap-cloud-for-customer-for-windows/9nblggh1ntrs
https://www.tutorialspoint.com/sap_c4c/sap_c4c_quick_guide.htm
https://www.acorel.nl/2016/03/sap-cloud-for-customer-out-of-the-box-integration/
https://kb.insideview.com/hc/en-us/articles/115003075648-How-to-Retrieve-the-Client-ID-and-Client-Secret-from-SAP-Hybris-Sales-Cloud
https://github.com/SAP/cloud-c4c-ticket-duplicate-finder-ext/blob/master/src/main/webapp/login.html