Link to ask for an extension time in the USA

Question

Hi guys...I would like to know what is the link to ask for an extension time in the USA. I have a visa valid for 6 months and I need more 4 to conclude my course. I heard that you can apply on line but I dont know what web site is. If it is USCIS please what is the link because I cant find it. Thanks in advance!

Answer 1

Try http://www.uscis.gov/portal/site/uscis

And http://www.uscis.gov/files/article/C1_en...