How To Greet someone in Español.

Title: How to Greet someone in Spanish.  
Explanation 1:  First you need to know how to say the most common greetings. For an example in English we say 

Hello
• Hello
How are you?
• How are you?
Good Morning/ Afternoon/ Night
• Good Morning/ afternoon/ night
Thank You
• Thanks 
How is it going?
• How is it going?
What's your name?
• Whats your name?

Explanation 2:  Here are the most common greetings in Spanish.  
Hi! or Hello! -¡hola! 
Pleased to meet you!- ¡mucho gusto! 
 Many thanks!, thank you very much!- ¡muchas gracias, 
Good evening!, Good night!- ¡buenas noches!
Good afternoon! - ¡buenas tardes!
How's it going? - ¿Que Hay? 

 Explanation 3:  You can use this information if you go to a Spanish speaking country for the first time. Or if you want to start a conversation with someone in Spanish.  Here is a video example of two strangers meeting for the first time.