After the Pokémon logo will vanish, you will start a new game. You'll see a man, he will introduce himself as Professor Elm, the Pokémon Professor of the Johto region. He will ask for the time. It is recommended to give accurate time so that time-based events will occur properly.
These are the controls for Pokémon Gold, Silver and Crystal.
|Select/Talk to people|
|Exit out of a menu|
|Use registered item|
Your name is one thing you have to choose. You may pick your real name, a pre-made name, or invent a cool name of your own. Words are, naturally, written with letters. Letters get picked using the for navigation and for selection. Press for different sets of letters. Pressing will cause the marker to jump to the "Finished" button.
Your Starter Pokémon
You get to pick the starter in a later stage of the game, but you should start thinking about who you'd like to pick. Generally, for beginners, Cyndaquil is considered the best.