https://localwp.com/community/t/optimizing-local-lightning-performance-on-windows-10
and
https://localwp.com/community/t/performance-issues-with-local-on-windows-10
might help, but yeah… I’ve been finding it painful to work with WP on Win10. I’ve even dabbled with trying to run Local on the Windows Subsystem for Linux and that seemed promising, but that’s super exploratory and l have regressed to where I cannot even install it.