I'm not sure if I'm understanding your question properly, but versions 6.2 through 6.5 are available here. https://mirrors.ocf.berkeley.edu/qt/official_release

I'm not sure if I'm understanding your question properly, but versions 6.2 through 6.5 are available here. https://mirrors.ocf.berkeley.edu/qt/official_releases/qt/ https://mirrors.ocf.berkeley.edu/qt/official_releases/qt/ You can find a more local mirror on the mirror list https://download.qt.io/static/mirrorlist/ https://download.qt.io/static/mirrorlist/