You have to be of a certain age to be allowed to register at a casino. That minimum age depends on the country where you are when you play.
Yes, your identiy is checked when you want to play at an online casino. But this is both for your own safety as for the casino's.
In many online casinos you are able to play a game for free. But all casinos demand that you sign up if you want to play for real money.
Signing up in an online casino is usually very easy. Visit the website of an online casino and choose 'sign up' or 'register'.
Like to try out a casino game for free but rather not register yet? Free play is possible in most online casinos.
You can reset your password most of the times. If you try to log at on an online casino, you can find a link with 'forgot my password'.
When you register at a casino, or when you want to withdraw money from your balance, you need to present identity papers. Some casinos accept a driver's license, but most of them do not.
Do you and other members of your household like to play casino games? It's best to create multiple accounts instead of just one.