Run Telegram.exe . All your data (session and settings) will stay within that folder.

Telegram Desktop for Windows (Portable)

: Using the GitHub or official site ensures the file hasn't been tampered with. How to use it Download the tportable.x.x.x.zip from the official site.

The official portable version is distributed by Telegram as a file, not a .rar . It contains a single executable ( Telegram.exe ) and doesn't require installation.

Note: Click the "Portable version for Windows" link on the official page. Telegram Desktop on GitHub Why avoid third-party .rar files?