The location and specific operation of the folder are on the tramp. Baidu can also find many answers by searching for keywords such as "Unlocking Brotherhood Clothing".
Do it yourself? You can get a set of Desmond appearance and a set of lightning appearance after customs clearance. Other appearances should be genuine and can only be obtained with Ubi account. You can't type it without filing and cracking.
It seems that one of them is Chapter 8, which requires 100% clearance (I was 100% clearance, so I'm not sure). The other set seems to need all virtual training to reach the gold medal. . (I made this with gold, too. I don't remember it clearly. . )