Check Google Voice availability in your country
Go to https://voice.google.com/
Sign in with your Google account
Choose a phone number from the available options
Select a plan (if prompted)
Complete any verification steps (such as SMS or calls)
Confirm payment details if required
Finish setup to activate your Google Voice number
Use the Google Voice app or web interface to make and receive calls and texts
If you mean a Google Workspace number, sign in to your Google Workspace Admin console
Go to Billing/Services and add phone/voice features (if available)
Follow the prompts to order and assign numbers to users
Wait for provisioning to complete before using the number