Just press your power button (like you would to put it down) press it again and press the speaker icon for Google assistant ask it anything and click it the press the 3 dots and request to view it in chrome then look up an Android app (any will do) and click any one to get to the play store and look up Stock Android and download a new home screen software of your choice press home it's either going to pop up again or ask if you want the new software. If it's doesn't pull down your notification bar and press the wheel and look for the settings Home and it will allow you to change it to the new software and you can press home now and have to set it up again