That and other people were already working to use what PARC had developed.
But I’ll give Apple the credit for being the first to implement a personal computer that made computing much more approachable, with the MAC.
It was years before Windows had anything close in Windows 3.1, which frankly wasn’t actually all that close.
NT 3.1 is probably the first Windows OS that had the consistency of Mac OS, with modern (non-DOS) underpinnings.
And the reality is it was heavily influenced by the DEC Alpha system because MS had hired much of the Alpha team from DEC. Technet Mag had a great article about it circa 1996.