Before you start the mining process, you need to enter the address of your bitcoin wallet in the second field above.
When you start NiceHash Miner, you will see a small screen with 4 columns: location, bitcoin address, worker name and device. It has a convenient graphical interface, which greatly simplifies the process of virtual coin mining for the average user. NiceHash Miner is one of the most famous mining programs for Bitcoin and other cryptocurrencies.