You can't run iPhone apps on a Mac computer without an emulator, though that will change with a new set of Macs, coming out by the end of 2020.
You should occasionally restart your Mac to help it run more efficiently. Here's how to restart a Mac in 4 different ways, ...
V isual Studio Code's September 2025 release (version 1.105) has officially dropped, but a little late since it is October ...