Greetings Kryptokoinz,
please backup your wallet, close the GUI Wallet, then delete all files inside AppData\Roaming\dinastycoin, export the blockchain backup downloaded from our github to AppData\Roaming\dinastycoin and start the new wallet 2.1.4. after synced completely, reimport your wallet.
if you experience any issues, contact me on discord for a quicker chat

Best Regards