Binary packages (installers) are available from this page.
The current version is QGIS 3.38.0 'Grenoble' and was released on 21.06.2024. outlook.tbilisi.gov.ge
The long-term repositories currently offer QGIS 3.34.8 'Prizren'. You're looking for a guide on navigating outlook
QGIS is available on Windows, macOS, Linux, Android and iOS. outlook.tbilisi.gov.ge
You're looking for a guide on navigating outlook.tbilisi.gov.ge, which appears to be the official Outlook web application for the Tbilisi government. I'll provide a general guide on how to use Outlook Web Access (OWA) and some specific tips for the Tbilisi government Outlook instance.