Hi,
Here is Steps:
Go to Wp-admin > Home Page > See Top Area > Edit with Codeless Page builder > Click on Slide Area > you will able to see add / remove slider button.

For more info: https://codeless.co/folie/documentation/main.html#codeless_builder
Thanks,

Please Read on this link too: https://codeless.co/folie/documentation/main.html#codeless_sl_options

Let me know if face any issue.

Thanks,

Hi,
Please share screen shot where you are facing the problem, website url, wp-admin and ftp info (login/ passwords) and send using “private reply” .

Thanks,

Hi,
There is some issue in latest version, Alternately you can use Revlution Slider, In meanwhile i will get it fixed.

Thanks,

Okay, Go ahead!
I will make it full screen.

Thanks,

Hi,
Please check and let me know.

Thanks,

Yes, Go ahead! Use Rev Slider panel for image add / delete.

Thanks,