Download Qt 5.15.2 Offline Installer |link| -

: 5.15.2 remains the last long-term support (LTS) version of Qt 5 available to open-source users. 2. Build from Source

In the component selection, click the checkbox and hit Filter . Qt 5.15.2 will appear in the list under the "Qt" tree. 2. Alternative: Download Source Code (Offline) download qt 5.15.2 offline installer

After downloading the offline installer, run the executable file and follow the installation instructions: During installation, select the Archive checkbox

Download the Qt Online Installer from the official site. During installation, select the Archive checkbox. Click Filter to see historical versions. Select Qt 5.15.2 from the list. If you have a commercial license

If you have a commercial license, the offline installers are readily available in your account dashboard. Log in to the . Navigate to the Downloads section. Select Qt 5.15.2 from the version dropdown.

If you must have an offline setup, you can download the source code and build it yourself. The source packages (tar.xz or .zip) are available in the official archive . Third-Party & Alternative Methods Install Qt creator 5.15.2 - Qt Forum