Hello,

1. Please Goto >> Theme Settings >> Shop >> Shop filters. And disable it.

Screenshot: https://gyazo.com/83811b134cef66650a4318c957bdfb0c

Then Go to Theme Settings >> Product Archive >> Sidebar and set the layout.

Screenshot for Clarification: https://gyazo.com/f9afe97e515b0da4629df717bb861853

And add widgets to the Shop page widget area under Appearance >> Widgets.

2. Please try adding the following Custom CSS in the Global Custom CSS area under Theme Settings >> Custom CSS.

.single-product .main-page-wrapper {
    padding-top: 40px;
}

3. Please Edit the Homepage and disable the option as in the screenshot.

Screenshot for Clarification: https://ibb.co/mHmV0fH

Best Regards