You mention arm64 bit. What sku is that? a 'pro' version or did it come installed on retail hardware? (We use Windows 11 on plastic Thinkpads (L15s, intel) at

You mention arm64 bit. What sku is that? a 'pro' version or did it come installed on retail hardware? (We use Windows 11 on plastic Thinkpads (L15s, intel) at the centre I work in, an educational organisation. They have ads, insist on switching to edge even though we need Chrome for single sign on and do seem a tad sluggish).