How to turn on ok Google
Using your android mobile:
Step 1. Click on the “Google” app on your mobile device.
Step 2. Press “More” on the lower right corner of the screen as shown below
Step 3. A menu opens up as below, here click on “Settings”,
Step 4. In the Settings screen Click on “Voice” as shown below:
Step 5. After choosing Voice click on “Voice Match” in the following page
Step 6. Turn on the button which says ”Access with Voice Match”. “OK Google” will get activated.
Step 7. Once it is activated you can search anything on Google with Voice Command. Just open your Google app and press on the mic button.
Step 8. You can also say “OK Google” or “Hey Google” to start the search or activate the Google assistant