Square Enix announced that they are celebrating the first anniversary of NieR: Automata, which first released on February 23, 2017, with a special live stream that will take place from March 3 to 4.
— NieR公式PRアカウント (@NieR_JPN) February 22, 2018
The live stream will be available over at NicoNico. More details about the event will be shared on February 26.
NieR: Automata is available on PlayStation 4 and PC. The game released in Japan on February 23, 2017 for PlayStation 4. It followed with a North American release on March 7, 2017, a European release on March 10, and a PC release on March 17.