Three steps: Open app → Log in to Telegram → Copy message link to download
After re-login, you'll need to enter the verification code:
Receive code in Telegram app

Enter verification code

First use requires logging in to your Telegram account. Ensure stable network connection and keep the client online.
When bulk downloading, filter by date or type first and download in batches for stability and speed.
All files are saved locally and never uploaded to any server. Safe for backing up important materials.