... You have to have ROOTCHANGE access to create a top-level web (one with no parent) . ... If you plan to rename the Main web, remember that TWiki stores user and group topics in this web. ... This potentially large change can be performed automatically if you rename the web from the Tools section of WebPreferences , as described above. Changed: . If you want to rename the TWiki or Main webs, remember they are referred to in the TWiki configuration. ... Note: You might not need hierarchical webs. ...