Download and install
- Which build: desktop or portable on Windows; desktop builds on Mac and Linux; store or official APK on mobile.
- Admin rights: Windows installs into your user folder by default, so usually not.
- English interface: apply the Simplified Chinese language pack in Settings.
Login
- No code: wait and request a call, or check your country code and blocking rules.
- New phone: nothing is lost — history is in the cloud and syncs after login.
Files and storage
- Max file size: 2 GB normally, 4 GB with a subscription.
- Any quota: no total cloud cap; local cache can be cleared any time.
- Deleted by mistake: cloud chats cannot be restored — export with desktop as a backup.