I don't even know which section to put this....

I just got a new PC with windows 10 pro. An upgrade from my old PC with windows 8.1

My problem is I keep seeing this prompt to set up OneDrive to save my files but I'm scared to do so cos i'm using a cracked version of Office 2019. I really don't want a situation where Microsoft will be able to scan and block it

My question is..

1. is OneDrive Microsoft's version of Goggle's goggle drive? Is it just a storage space in my Outlook email?
2. Will signing in to my Ms Office Word cease goggle to block it?
3. Will saving my Word Document files to one drive cause Microsoft to scan the software and block it.
4. Can i do really use OneDrive for free?