=link= Download Qt 5.15.2 Offline Installer Jun 2026

Under , select the Offline Installers tab. You'll see a list of available offline installers for different platforms (Windows, macOS, Linux).

Open-source users can still install Qt 5.15.2 using the or by building it from source . 1. Recommended: Use the Online Installer download qt 5.15.2 offline installer

Once downloaded, verify the file size. If the .exe or .run file is less than 1 GB, you likely downloaded the "Maintenance tool" by accident. The real offline installer is and contains the source, tools, and pre-built binaries for all major compilers. Under , select the Offline Installers tab