In Germany every cop has to learn at least the basics of Jujutsu for exactly this reason. If you go to a jujutsu training as a civilian, usually more than half in the class are cops
How would that work? By law you are not allowed to work more than 10h a day in Germany (only exceptions which you have to justify, else you can get in trouble)
I created my windows 11 install stick with Rufus, it actually has an option to disable the requirement for a windows account when creating the bootable stick