I would like to add that, when ever an administrator or standard user tries to save, from within a program or app, to a folder found under Program Files or Program Files x86 or Windows (maybe others also, I'm not sure), which are considered by Win10 as system/protected/restricted folders, he will get the same UAC prompt.
But if an administrator will try to copy/paste a file in exactly the same folder as above mentioned, using the Windows explorer (file manager), then he will get a different type of prompt asking to provide administrator permission to copy to that folder and a Continue button besides Skip and Cancel, which when pressed, will enable the copy operation (in other words, because he was an administrator, he already provided...