There’re lots of way to use Chinese character in Primavera P6. But I will show you the easiest way.
If we don’t have Primavera in our laptop, we can install it following instruction here : https://doduykhuong.com/2016/06/11/how-to-install-primavera-p6-professional-16-1-stand-alone/
If we already had P6, we have to create a SQLite database. The above “How to install Primavera P6” article also show us how to create SQLite database.
You can use Window default program or Sogou to type Chinese character.
Most of the field support Chinese like : Activity, WBS, Project…
You can change software interface to Chinese by selecting language when you login: