Run Windows Update before you leave the office. I do. I never take my laptop anywhere new without making sure it is all up to date, just one of those things you have to do.
Installing updates right before a presentation sounds like a recipe for trouble. It's not unheard of for updates to break things.
There is no "need" for the IoT. We've been getting along fine w/o it and don't really see any point to 99% of it.
The only people who seem to want the IoT are the folks trying to sell it.
I have the simplest tastes. I am always satisfied with the best. -- Oscar Wilde