Anybody has good mtr or e-book for ADS beginner?

you can learn it by help

Added after 20 seconds:

you can learn it by @ds' help

You can find the examples folder from the installed directory or subdirectory. Then you can follow the examples to start.

Why not search the forum? Simply type "ADS" you will find a lot of ebooks here talking about
1. Fundamentals
2. Momentum
3. Advanced circuit design
....

e.g.
https://www.edaboard.com/viewtopic.p...&highlight=ads
https://www.edaboard.com/viewtopic.p...&highlight=ads