There is no official app called "." What you are likely looking for is a Mod APK (modified version) that claims to unlock Telegram Premium features for free.
: Go to your device Settings > Security (or Apps) and toggle on Install Unknown Apps for your browser or file manager. Download Telegram Pro apk
Instead of risky "Pro" versions, consider these official options: There is no official app called "
If you choose to proceed with an unofficial version like those found on third-party sites, follow these steps: Download Telegram Pro apk
: Open your File Manager , find the downloaded file in the "Downloads" folder, and tap it to start the installation.
: Subscribe officially via Settings > Telegram Premium or through the @PremiumBot for a lower price.