Verify that you are 13 years or older
Open Roblox and go to Settings
Select Account Info
Confirm your age with a government-issued ID
Complete the required selfie verification
Wait for Roblox to approve voice chat access
Go to Privacy settings
Turn on Voice Chat if the option appears
Join a game that supports voice chat
Check that your microphone is allowed in your device settings
Use headphones or a working mic if needed