qt-opensource-windows-x86-5.15.2.exe does not officially exist
: Right-click qt-opensource-windows-x86-5.15.2.exe → "Run as administrator." While Qt can run without admin, it writes to C:\Qt by default, which requires elevated privileges. qt-opensource-windows-x86-5.15.2.exe
Includes over 170 bug fixes compared to previous 5.15 versions. qt-opensource-windows-x86-5
Released on November 20, 2020, Qt 5.15.2 was primarily a maintenance update. It did not introduce new features but provided over the previous version. Download the Online Installer: Go to the official
Qt 5.15.2 Licensing Overview (PDF) (printable as PDF)
Go to the official Qt download page and download the small online installer stub.