I would like to reset my laptop without a cd or something because I want to sell it
The easiest way is to use a USB stick.
Boot stick
Are you looking at
https://tipps.computerbild.de/software/windows/windows-10-auf-werkseinstellung-zuruecksetzen-275631.html
Swipe down from the right edge of the screen, tap Settings, and then tap Change PC settings.
(If you're using a mouse, point to the upper-right corner of the screen, move the pointer down, click Settings, and then click Change PC Settings.)
Tap or click Update / Recovery, and then tap or click Recovery.
Under Remove everything and reinstall Windows, tap or click Get started.
Follow the instructions on the screen. https://support.microsoft.com/...c1fbceb8dd
OR
prepare a USB stick using Microsoft's MediaCreattionTool and completely reinstall Win10. What I would suggest
But no matter which method you use: data backup beforehand
