Computer, phone blocked I have no more tablet unlocked

Hello, it’s been a long time since I last did an update and I’m blocked. I understand all the changes and I no longer have my tablet for years. Can someone help me unlock all this urgently

Hello, it’s been a long time since I last did an update and I’m blocked. I understand all the changes and I no longer have my tablet for years. Can someone help me unlock all this urgently