How to activate Avast Passwords for Chrome?

Hi,
I am trying to install Avast Passwords and got stuck at the last step when it asked to install the Chrome Extension.
The matter is the Extension in Chrome is waiting for activation and the last step in setting up Avast Password is waiting
for the Extension installation.
I do not know to solve this problem.
The Free Avast 12.3.xx, latest version.

I took a snapshot for reference.

https://goo.gl/photos/ks5AtYX9YLiC1XU76

https://forum.avast.com/index.php?board=86.0

This should help:
https://www.youtube.com/watch?v=-uz7XyXKB3k

Thank you for help, but I am not lucky to make it successfully.
My installed Avast has the interface differs from the ones you guide me or from other tutorials.
I am not sure if Free Avast really supports password manager or not. Here are some info I have:

Free Avast latest version.
Setting\Components\Privacy\Password: installed and has “ON” status.
“Passwords” item is not showed up in the left panel of Setting.
Registration\Avast Passwords: says “Product not yet purchased”.

Follow the link in Reply #1 and post/ask there.