Windows 10

To keep it short. I didnt use my pc for 3 years forgot my password aswell as my pin. Now i could use the prompt to reset my pin, well it does nothing. Haha funny isnt it. Well after that i wanted to take it into recovery mode and use cmd tl set a new user bla bla ... Well i need a password for that aswell and it shows my email. Funny thing is none of my previous or the new password work. So at this point i thought f it i will delete everything and set a new user and dont care about my data. WELL tried it and this fails aswell. So at this point am going a little insane If anyone has a idea i wo