Download the zip file, go to preferences -> addons -> install from disk then choose the addon zip file.

the addon will be sitting the N-Panel -> view

you got:

Sync Viewport to Render which hide the objects in the render that are hidden in the viewport.

Sync Render to Viewport will hide the object in the viewport that are hidden in the render

Show All Objects will show all the hidden object in both render and viewport

Hide Unselected will hide the unselected object in both render and viewport