How do you add keywords to Google?

Add keywords

  1. From the navigation bar tap More, then Keywords.
  2. Tap the plus button .
  3. Select a campaign, then an ad group for your new keyword.
  4. Tap + Add a keyword.
  5. Enter a word or phrase as your keyword, then choose the right keyword match type.
  6. Tap the checkmark .

For More Information Please Refer: https://support.google.com/google-ads/answer/7454124?hl=en