If you had applied for DV lottery between October 1,2015 and November 3,2015, then you are considered to be a DV-2017 entrant. The entrant status can be checked at https://www.dvlottery.state.gov/ESC/. All you have to do at the website press continue and enter your confirmation number in the top line number 1. Then put your last name in number 2 , then year of your birth (for example 2000) in number 3. Finally, you need to enter the code you see in the authentication screen on line 4. If you cannot read the authentication code, then press the 2 arrows in the top corner of the authentication screen to get a new authentication. When all the information is entered correctly, press submit. If you have a question on the page you can request help with the help button on the top right of the status page. It is recommended that the DV-2017 entrants keep their confirmation number through September 30,2017. So you should keep your confirmation number in a safe place so that if the US government asks you for it, you have it ready.
If you have DV lottery application for the dates between October 1, 2014 and November 4, 2014, then you are considered a DV-2016 Entrant. You can follow the same steps as above to check your application. The main difference is that you have until September 30, 2016 to check your status, after that there is no more use for your confirmation number. Remember that the website will work with many browsers, but it is preferred that you use Internet explorer 8 or higher. For the latest internet explorer 8 browser download go to https://www.microsoft.com/en-us/download/internet-explorer.aspx
Hopefully you have won the lottery! Good luck to you.