user-friendly
adjective uk/ˌjuː.zəˈfrend.li/ us/ˌjuː.zɚˈfrend.li/
（尤指与计算机相关的产品）方便用户的，易于使用的
If something, especially something related to a computer, is user-friendly, it is simple for people to use.
a user-friendly interface/printer 简便易用的界面／打印机
a user-friendly instruction manual 简单易懂的使用手册