If you purchased the yearly/monthly subscription of Foxit PDF Editor Suite/Pro, when you try to activate it, the Editor pops up the window and asks for the perpetual license.
This means you installed the wrong version, it is for the perpetual license version 13 instead of the subscription version 2023. Please go to Control Panel>Programs>Foxit PDF Editor> click Uninstall
Then download the subscription version for Foxit PDF Suite/Pro 2023 from this link:
After installation, you could sign in with your email account to activate the program.