After downloading the offline installer, run the executable file and follow the installation instructions:
Choose the package corresponding to your OS (Windows, Linux, or macOS). 2. Official Open Source Mirrors download qt 5.15.2 offline installer
Choose the offline installer that matches your platform and architecture (32-bit or 64-bit). Click on the corresponding link to download the installer. After downloading the offline installer, run the executable
: Many distributions (Ubuntu 20.04+, Debian, Fedora) include Qt 5.15.2 in their official package managers. After downloading the offline installer