Need a powershell script to move documents from folder inside a library, to the main library view

See more:

PowerShell

SharePoint2016

Hi All,

I need help with a PowerShell Script to move documents within a Library

SharePoint Version : SharePoint 2016 On Prem

--> The Main Doc Library view has a folder (For example : "Folder A" )
--> The Folder A has some documents in it.
--> Need a PowerShell Script to move documents from this folder, back to the main Library view (and ability to do vice versa also as needed)

Can you please help with a PowerShell Script for this? I know there are lots of Plugins, or third party tools (like ShareGate or Oneplace Docs explorer etc), and my customer cannot use them due to some restrictions. Also they cant manually do via drag and drop since there are thousands of files

What I have tried:

I have tried lots of plugins/third party tools like :

ShareGate
One Place Docs explorer

And various other scripts