Creating child theme.

Hello all,

I got update for my theme, and i don’t want to lose all custom work, and translation. My site is Also RTL.

The company which i buy from, say it’s better to create child theme.

I’m not fimilar with wordpress at all.

1. when i create child theme it is automatic take configuration from there ? ( like css rtl ) or i need to ADD more “lines” or “code” to the child css to make it work ?

2. Can someone do it for me ? i’m hesitate to do it, since mybe i do wrong here, and all the work will gone.

3. Can someone simplify the steps ( update guide to create child theme ) to create, and what is MUST have in the code ?

Thanks in advance, One day i will learn wordpress !