Looking for logging into the Tfs As Different User 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 Tfs As Different User site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/20538441/run-as-different-user-visual-studio-cannot-clear-cached-tfs-credentials
https://www.codepool.biz/how-to-log-in-tfs-as-a-different-user.html
https://social.msdn.microsoft.com/Forums/vstudio/en-US/a239a959-1c01-4592-a754-f6fc7d5a9b94/change-user-when-i-connect-to-team-foundation-server?forum=tfsgeneral
https://daedtech.com/connecting-to-tfs-server-with-different-credentials/
https://developer.dynamsoft.com/dwt/kb/2769
http://sunilpashikanti.blogspot.com/2015/09/how-to-connect-to-tfs-as-different-user.html
https://bhrnjica.net/2012/11/14/how-to-change-tfs-user-name-and-password-in-visual-studio-2012/
https://developercommunity.visualstudio.com/content/problem/157504/using-vs2017-with-different-user-doesnt-work.html
https://blog.jayway.com/2012/12/17/changing-tfs-credentials-in-visual-studio-2012/
https://distefano.biz/blog/index.php/2012/12/06/connect-to-team-foundation-server-in-visual-studio-uses-wrong-credentials/
https://developers.de/blogs/bahro/archive/2012/11/14/how-to-change-tfs-user-name-and-password-in-visual-studio-2012.aspx
https://www.telerik.com/forums/how-to-change-tfs-server-username-and-password-(-)