AIBU to be cross and think DP doesn't need to do this?

[MaybeAnOverthinker]

Dp has his own office with his own computer, all up to date with Windows 10. I have used it on the odd occasion and made it very clear I am not a fan of windows 10.
We also have a family laptop that I use for work and the children use for homework. He uses it sometimes for quick things but not much.
He has warned me today that he will be updating the family laptop to windows 10 after Christmas. Apparently this is non-negotiable
Both myself and the dc have made it clear that we don't want this for various reasons. I am not a fan in general and one of Dd's programs doesn't run well on it (she's tried it on his computer).

AIBU to not want him to do this? Maybe it's just the stress of preparing for Christmas that's making me blow this out of proportion. I know It's petty but I hate being told he is just going to do it without discussion.

Anyone had any problems with windows 10? Maybe if I have some examples he'll listen to me a bit more!

I'd rather die in a ditch than have my OH tell me what to do. I wouldn't even care at this point if I actually wanted Windows 10 - the battle lines would be drawn for me. If I was in your shoes and he went ahead and installed it, there'd be a nuclear explosion!!

OP he sounds like he thinks he's in charge.

Why don't you just put a password on your laptop Problem solved?

I would say okay crack on and he can buy me a laptop to my spec and that's non negotiable.

Dh suggests you put the password "mydpisatwat" then he can't access it.