Looking for logging into the Typo3 Install Tool 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 Typo3 Install Tool site. After that you can login as usual with your login credentials.
https://docs.typo3.org/typo3cms/InstallationGuide/QuickInstall/TheInstallTool/Index.html
https://docs.typo3.org/typo3cms/InstallationGuide/In-depth/TheInstallTool/Index.html
https://www.mittwald.de/blog/cms/typo3-cms/kein-zugang-zum-typo3-backend-und-jetzt
https://www.jochenfroehlich.com/tutorial/typo3-install-tool-passwort.html
https://www.typo3.net/forum/thematik/zeige/thema/125875/
https://jweiland.net/video-anleitungen/typo3/typo3-projekte-verwalten/install-tool-passwort-vergessen.html
http://www.typo3forum.net/discussion/79457/os-x-macos-nach-installation-login-install-tool-und-backend-nicht-moeglich
https://webdesign-forum.net/thread-481.html
https://www.fc-hosting.de/typo3/typo3_installieren.php
http://www.sankt-bonifaz.de/typo3/sysext/install/Start/Install.php
https://stackoverflow.com/questions/50021280/typo3-version-8-login-loop
https://wiki.loswebos.de/support/typo3-installation-5800329.html
https://www.pagemachine.de/blog/tutorial-update-typo3-9lts-testsystem-windows-installieren/