I want to edit it on my laptop as a child theme and transfer the files to my server. I don’t know how
You’ve got a few hefty questions there so I’ll point you in the right direction. Run wordpress locally. You need MAMP (for mac) or WAMP (for windows). It’ll work just like your live site but the files will be on your computer. More info: https://codex.wordpress.org/Installing_WordPress_Locally_on_Your_Mac_With_MAMP Make a child theme for your site. This will allow … Read more