~~ Make a backup of patcher_s4.exe, S4Client.exe, and the xigncode folder ~~
1. Start S4 League without ITC and unequip all your items (clothes, acc, pet, weapons and skill);
2. Close S4 League;
3. Download the file;
4. Put HS4L.exe, patcher_s4.exe, S4Client.exe, the HS4L folder and the xigncode folder in the S4 League folder;
5. Choose remplace when asked;
6. Start HS4L.exe;
7. Start S4 League;
Working for me =)