Obviously solution this doesn’t apply to CRM Online.
1. Start Registry Editor.
2. Locate registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSCRM.
3. Right-click MSCRM, point to New, click DWORD (32-bit) Value, enter DisableNavTour, and then press ENTER.
4. Right-click DisableNavTour, click Modify.
5. In the Value data box, type 1, and then press ENTER.
6. Close the Registry Editor.
Ivo Bouwman 