I read a post to use classic shell,
First off: with an Alpha/Beta I do not like to use OS add ons 3rd party because this is not a great way to test a new OS, and it can cause unpredictable behavior that may not be the new OS but the add on that is not ready for the new OS.

Second: You do not need Classic shell in any way all the functions are now in 10 with a little tweaking See my Pics and I will add more as we discuss:

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