How to: Change Help url link in the legacy Self-Service site
1) Edit the sitemenu.xml file located in the following path "C:\Program Files\One Identity\Password Manager\Web\User\App_Data"
2) Replace the value url="~/Help/" to any url desired.
After changing have been introduced, restart the PM service(s), restart IIS and restart your Browser. Note that the changes need to be introduced to all Password Manager servers running in the environment. Also note, that those changes will be overwritten at the point of update and will need to be reintroduced manually.
P.S.: Please make sure to backup the file before introducing any changes.