Unzip 't-rex start.zip'

Edit t-rex start.bat mouse right click and click 'edit'

Replace 'YOURWALLET' with your wallet public key and save

Copy 't-rex start.bat' inside T-Rex folder where 't-rex.exe' is located

Run 't-rex start.bat'

Check your Dogecoin balance in https://unmineable.com/coins/DOGE/address/YOURWALLET