>>106898576
When it comes to basic privacy measures, you can use group policy to toggle diagnostic data off, available in Enterprise variants only, you can also disable not very useful stuff in Defender like could based protection and sample uploading.

if you want deeper approaches, you can use ShutUp10 or even more complex ones like WinUtil, although even if they have a friendly look, it's important to understand a bit what they actually do so you don't fiddle with stuff you shouldn't