I think it is a lot better (quicker) than the default:
Below is the difference btwn the default WTP start menu and classic shell. Which would you prefer? (You can nuke items in either one.)
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BTW, here is a neat tweak to add things to the Windows key and X shortcut (which itself is a plus for Win/8/10):
I have grown to like the hybrid list/tiles in the standard Win10 start menu. The latest Win10 update that I got started automatically alphabetizing the list menu items.
Classic shell was a huge improvement over the Win8.0 disaster. I can’t see installing it on Win10, unless they screw it up.