I forgot the password and cannot unlock it or do a factory reset

Google's Find My Device feature allows you to perform a factory reset on your phone from any device. Go to https://www.google.com/android/find and sign into your account. Choose your phone from the list and select Erase Device at the bottom of the webpage. Your phone should reset and you will be able to create your account again.

Bro switch off the phone and click on power button and volume button and hold them then you will goto a new page and you have to change the language and then click on reset phone then your phone will be reset you will get a new like phone but your data will be erased