There are three ways you can register for the computer-based
General Test in the U.S, U.S. Territory, or Canada.
if you are paying by credit card, you register on the web by
visiting the following web page:
Register by Phone
You can also register for the GRE test through phone call at
1-443-751-4820 or 1-800-GRE-CALL (1-800-473-2255). This way of
registration also requires a credit card (American Express,
Discover, JCB, MasterCard, VISA).
Register by Mail
If you have no credit card or you prefer to register by mail, you
can download Authorization Voucher Request Form, complete, and
mail to the ETS.
International students can also register for the test through the
above mentioned three ways.