The official archive repository hosts every major release of QGIS. To find 3.26:
Go to the official QGIS download page (qgis.org). Step 2: Scroll completely past the big green "Download" button. Do not click it (that’s for the newest version). Step 3: Look for the text: "Looking for the current Long Term Release? ... Older releases are available at the QGIS Archive ." Step 4: Click the QGIS Archive link. qgis 3.26 download
: The expression engine was refined, making it easier for users to manipulate attribute tables and perform complex mathematical queries without needing deep programming knowledge. The Lifecycle of a "Short-Term Release" The official archive repository hosts every major release
Choose the installer for your operating system (Windows, macOS, or Linux). qgis 3.26 download