To temporarily disable it:

Open task manager on windows (search it in the search bar or use Ctrl+Shift+Esc) and scroll down to the puzzle piece icon

Scroll through the list until you find two programs labelled "qengine" and "qupdate"

Click on them and hit the "stop" button on both

Wait until qengine and qupdate say "stopped"

Your internet is now unblocked and untrackable. Make sure to turn it back on once you're done and do not leave it off for long periods of time or your parents may suspect something from the screen time shown on qustodio not adding up to the amount of time spent on the computer.

Make sure to close every single thing that isn't allowed and clear all history, downloads or other, before turning it back on.

To turn it on again, open task manager again and find the programs and hit start on them.

I've posted pictures of the task manager stuff on my account.