I Require Assistance With Some Lost Accounts

hello,i bought a copy of Watch Dogs,and ac Unityit shared the same fate of the first accountdo i need to buy a new copy or can you help me out?both are CD versions,and both the events the events happened on this timeline:1:i got Watch Dogs2:i played it a lot,its genuinely a good game3:formatted pc due to viruses4:i forgot the password,made a new account5:bought AC:Unity6:formatted pc after playing and loving it7:forgot passwordcan you restore these games or do i require to buy a new copy?i bought both at a store in CD form,they were official copies