Looking for logging into the Windows Rt 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 Windows Rt site. After that you can login as usual with your login credentials.
https://support.microsoft.com/de-de/help/4023509/surface-sign-in-to-and-out-of-your-surface
https://answers.microsoft.com/de-de/surface/forum/all/kennworteingabe-f%C3%BCr-die-anmeldung-unter/d529b594-6437-4add-a0cf-6cc854a9d239
https://support.microsoft.com/en-us/help/4075121/surface-windows-81-sign-in-to-and-out-of-your-surface
https://pcshow.de/tipps/automatisches-anmelden-unter-windows-rt/
https://superuser.com/questions/571007/how-to-switch-user-on-microsoft-surface-when-prompted-for-another-users-passwor
https://www.lovemysurface.net/auto-logon-to-windows/
http://www.tomshardware.com/answers/id-3351504/fix-log-surface.html
https://www.dummies.com/consumer-electronics/surface/what-should-i-do-if-i-cant-even-sign-in-to-my-surface/
https://help.roboform.com/hc/en-us/articles/230428207-What-are-the-key-features-of-RoboForm-for-Windows-RT-
https://support.office.com/en-us/article/use-office-365-on-your-windows-rt-device-9579b493-0ff3-4695-8733-8b94507adfe4
https://www.dummies.com/consumer-electronics/surface/change-your-sign-in-account-on-your-surface/
https://www.isumsoft.com/surface/6-ways-to-reset-new-surface-pro-login-password-if-forgot-it.html
https://forums.windowscentral.com/microsoft-surface-windows-rt/465439-cannot-log-into-microsoft-account-surface-rt.html