Installation:

1. Press the Start button.
2. Type  %appdata% in the search bar.
3. Open the Roaming folder.
4. From the Roaming folder, click AppData in the address bar.
5. Open the Local folder.
6. Open the SWTOR folder.
7. Open the swtor folder.
8. Open the settings folder.
9. Open the GUIProfiles folder.
10. Place the UI file.
11. Play SWTOR and select "Reliable UI" from the interface editor!