If you want to make your own crypto currency the easiest way is to learn ethereum smart contract development , most crypto currencies present in market today are build over the top of etherum smart contract. If you have programming experience in javascript or similar languages it will be very easy to start with solidity language used to develop smart contracts.

Also learn about ERC20 token standard which is followed by crypto currencies build over top of ethereum The ERC20 token standard describes the functions and events that an Ethereum token contract has to implement.

quick approach:-

Not that difficult , Just fork a github repo of a smart contract supporting ERC20 token starndard and deploy the contract on main net.

developer approach:-

If you want to make your own crypto currency the easiest way is to learn ethereum smart contract development , most crypto currencies present in market today are build over the top of etherum smart contract. If you have programming experience in javascript or similar languages it will be very easy to start with solidity language used to develop smart contracts.

Also learn about ERC20 token standard which is followed by crypto currencies build over top of ethereum The ERC20 token standard describes the functions and events that an Ethereum token contract has to implement.