You’ll probably be better off to look it up on youtube, rather than trying to describe it here.  Here’s a good video to start:

https://www.youtube.com/watch?v=1u9_TiojDkI

You can also talk to your car dealer about learning to drive with a manual, they should have staff who can help you learn.
assitant
assistant
How do I drive a car with a manual transmission?
user
Do you mean how do you change the gears?
assistant
Yeah
user