Setup Git if you haven't already: https://git-scm.com/download/win
Setup Xampp from this: https://blog.templatetoaster.com/install-xampp-on-windows/
After installing, on step 4, run only 'MySQL' from xampp control panel. You don't need to run 'apache'.
Setup Composer:
Download and run this : https://getcomposer.org/Composer-Setup.exe open your git/cmd terminal and check if composer is installed completely: