I did the same during COVID for my mom and dad, though I didn't tell them what I'd installed wasn't Windows. I tried to mimic the desktop as closely as possible

I did the same during COVID for my mom and dad, though I didn't tell them what I'd installed wasn't Windows. I tried to mimic the desktop as closely as possible to what they were used to. Then I set up an ssh tunnel for VNC so I could help remotely if they had a meltdown. They hadn't mentioned anything about the change after a couple weeks, which made me nervous, so I asked what was going on. My dad said they'd been using the computer normally every day, and that he'd honestly forgotten about me reconfiguring it.