I just found out that the patch is 9.3, so you have to access it from 8.3. 9.2 will give access to 10.0
To play the route of the angels you have to select its door at the end of chapter 5 (the same for the route of the humans and the one of the demons) for that reason we recommend you to make saves at the end of all the chapters. from that moment the routes are differentiated as x.1 (demons), x.2 (humans) and x.3 (angels)