In Qt Installer you should select the 'Custom Installation':
I prefer to use Qt 6.6.3 instead of Qt 6.7.0 because Qt 6.6.3 used one NDK 25 (1.31 GB). But Qt 6.7.0 uses two NDK's - v25 (1.31 GB) plus v26 (1.9 GB). At first unckeck 'Qt Design Studio' (it requires 2 GB and I think you don't need it for a while):
Set the following checkboxes:
Do not forget to check 'Android'. Press 'Next' and so on. It requires 3.88 GB
Run 'Qt Creator'. Go to the settings: 'Edit' > 'Preferences...' > 'Device' > 'Android'
Press the following buttons to downloa Android SDK and JDK:
Press the 'SDK Manager' button:
Select the following Android packages and tools and press 'Apply':