Step 1: Login into https://console.cloud.google.com/ using your Google account

Step 2: Create / Select New Project 

Step 3: Create Project

Step 4 : Please make sure you select newly created project, once selected go into API & Services And then click on Library 

Step 5 : Inside API Library Insert Keyword 'Translate' and then select the Cloud Translation API, refer below screenshots

Step 6: To Enable Translation API you must need to have billing account. if you do not have billing account follow the steps provided by google after clicking on enable button mentioned in above screenshot. once the API is enabled head back to dashboard of google console and then click on "API & Services" and then on "Credentials" to get Project ID and Secret Key Required to enable google translation in ContentLAB

Step 7: Click on Create Credentials and then select API Key

Step 8: once google generates the API key it will be displayed in popup copy the key some where 

Then Headback to Home and then Copy the Project ID

Once Copied open content lab and click on Integrations and then click on add integration

Once Saved the Integration will be enabled for your account.