I checked your old posts and found you say your wallet with 30.2 bitcoins is locked and you forgot the password
if its true then the wallet contains $12k+ so better you spend 30 bucks on purchasing software from official site rather then asking for a free license key. support the developer and buy genuine, cracked ones might have trojan that may steal all your coins from wallet.
I doubt that the wallet.dat are his wallet.dat. He maybe found that wallet.dat on the internet and think that he can crack the password with this tool.