What do you all do not understand?

1. At the bottom of the patch you'll find "????????????". Replace them with your password for the keylock - from 4 to 6 digits. Write 30 for 0, 31 for 1,...,39 for 9.
If you don't want to have keylock password put ";" in front of this line
2. Apply the patch as a normal patch
3. Go to Menu->Settings->General->Security->Locks->Phone protection->Protection->Privacy, input your password and select what to lock with it - messages, File manager, etc.