What is the difference between user mode and kernel mode in Windows?

[ProfRon]

I remember when I first wrapped my head around this. User mode is where your everyday apps chill out. They play nice with limited powers. You can't just mess with the whole system from there. It's like you're in a sandbox. Kernel mode is the boss level. That's where the OS heart beats. It grabs the hardware reins fully. I think of it as the engine room. You switch modes carefully. Otherwise, crashes happen quick. User stuff stays isolated. Kernel handles the heavy lifting. I once fixed a glitch just by spotting the mode mix-up. You feel safer knowing apps can't wreck everything. Kernel mode trusts no one lightly. It boots up first always. Your clicks and games run in user land mostly. I bet you've seen blue screens from kernel hiccups. They scare me still. User mode keeps things tidy for you.

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