Download the app, open it, and select 'Sign Up' to register using your phone number, then follow the prompts to complete the process.

Tap 'Contacts' > 'New Chat' > 'Add Contact' and choose to search by ID, phone number, or scan their QR code.

You can chat, make voice/video calls, read news, follow Official Accounts, and use Mini Programs within the app.

Open a chat with a friend, then tap the call icon for voice or video call options at the top of the chat screen.

In the main menu, tap 'Discover' > 'Official Accounts' or 'Mini Programs' to browse and interact with them.

Go to 'Me' > 'Settings' > 'Account' > 'Subscription' to view and manage available paid plans or subscriptions.

Some services may require a fee; check under 'Settings' > 'Account' > 'Subscription' for detailed pricing and options.

Ensure you have admin permissions, restart the device, and update to the latest app version via your app store.