Hello malokt,
My name is Nada, I'm sorry that you are experiencing this issue, and I will try my best to assist you.
- Make sure you have the latest updates for Windows 10 by going to Settings > Update & Security > Windows Update and selecting Check for updates.
- Make sure you are signed in to your Microsoft 365 account and have an active subscription. You can check your account status here: https://account.microsoft.com/services/
- Make sure your microphone is properly connected and selected as the input device in Settings > System > Sound > Input. You can also test your microphone and adjust the input level there.
Hope it helps you. Please let me know if you still need further assistance.
Regards,