How to get Vietnam travel visa via local Vietnam Embassy ?

How and which information to get travel visa to Vietnam via local Vietnam Embassy?

There are two ways :

1/ Step 01 : Do the same with visa upon arrival

    Step 02 :  Then bring this approval letter and 02 photos 04x06 to local Vietnam Embassy,

    pay US$20 to US$40 ( depend on each country) and wait for 02 to 04 days to get the visa.

2/ Go directly to local Vietnam Embassy ( price depends each country).