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I have forgotten my password for my dell tablet - help!!!

download windows 8/10(whatever you have) iso, put it on a usb stick with rufus ( rufus.akeo.ie ) and insert it. Google the instructions to enter setup for your specific model and how to boot from USB. Install windows all over again and you are good!

Check out this video tutorial:

It guides the steps of resetting lost Windows password with Windows install DVD. If that doesn’t work, you can use Offline NT Password & Registry Editor, Ubuntu Live CD, Ultimate BootCD. Or do a clean reinstallation if there is no important files on your computer.