How to get Green Trust Factor
1- Use Steam Guard.
2- Make your profile public.
3- Become an active member of the Steam Community.
4- Play games often without cheating.
5- Get praise (commended) by your teammates.
6- Do not kick anyone out of the game.
7- Do not block your teammates and do not harm your teammate in the game.
8- Do overwatch cases.
9- Like guides like this.
10- Add more friends.
11- Comment on many different profiles, discussions and guides like this one.