@ItzFox said in Feature Suggestion: Multithreaded Download:
if they have 2 MiB/s internet and download single component from Qt download center server only use up 100 KiB/s of the bandwidth.
That probably means that your default mirror is a slow one.
You can ask the installer to download from a different mirror: https://wiki.qt.io/Online_Installer_4.x#Selecting_a_mirror_for_opensource