Open Roblox and sign in to your account
Go to Settings
Open the Privacy tab
Check whether Voice Chat is available for your account
Verify your age if prompted
Complete the required identity or age verification
Enable the Voice Chat option
Join a voice-enabled Roblox experience
Allow microphone access on your device or browser
Make sure your microphone is connected and working
Check that Roblox has permission to use your microphone
Restart Roblox if the setting does not appear immediately