Google Cloud configuration guidlines for Auto-Subtitile
First you need to create a Google Cloud account
Click this link https://cloud.google.com/ press "Get start for free" button and follow google's instructions.

Enter the console

Create a project
Click "Select a project" button.

Create a project
Press "NEW PROJECT" button.

Create a project
Give the project a name "auto-subtitile" and click "CREATE" button.

Select "auto-subtitle" project
Click "Select a project" button.

Select "auto-subtitle" project
Select "auto-subtitle" project,click "OPEN" button,then click button on the top left corner to display menu.

Enable Speech to Text API and Enable Translation API
Select "APIs & Services", "Library" in menu.

Enable Speech to Text API and Enable Translation API
Click "view all" Machine Learning APIs.

Enable Speech to Text API and Enable Translation API
Select "Cloud Speech to text API".

Enable Speech to Text API and Enable Translation API
Click "Enable" Cloud Speech to text API.

Enable Speech to Text API and Enable Translation API
Click button on the top left corner, Select "APIs & Services", "Library" again.

Enable Speech to Text API and Enable Translation API
Click "view all" Machine Learning APIs again.

Enable Speech to Text API and Enable Translation API
Select "Cloud Translation API".

Enable Speech to Text API and Enable Translation API
Click "Enable" Cloud Translation API.

Create an API key
Click button on the top left corner,select "APIs & Services","Credentials"in menu.

Create an API key
Click "Create Credential",select "API key".

Create an API key
API key is created successfully.
Congratulations!
Please fill API key in the Auto-subtitile plugin.
Now Auto-Subtitile plugin can work.