PHP 7.4

Magento

Newest on PHP 7.4:2.4.5-p14

21 releases install, the oldest 2.4.2.

2.4.6 is next. It fails on PHP 7.4 and installs on PHP 8.1 or PHP 8.2.

Mage-OS

No Mage-OS release installed on PHP 7.4.

Try another version from the list above.