Trading the currencies of one country against another country is what is know as the forex currency trade.

Not so far in the past only big banks and financial institutions were privledged enough to have access to this trade market.  Now with the internetThe forex currency trade has become available to individuals who have internet access.

The goal of the forex currency trade is to hold one countrys money until it appreciates in value over the other countries currency that you trade for.

 This currency trade platform in not centered around the New York Stock Exchange or the Nasdaq.  It is an entity in itself.  You can carry out this trading 24 hours a day, 5 days a week. You can do this from anywhere around the world as long as you have access to the internet and a computer.

If you don’t feel comfortable doing this yourself when first starting out, Obtain the services of a forex broker could be done.  This broker is like a stock broker but only deal in the forex market.
This broker will work for you making trades.  The broker will take a fee and maybe a commission of what he makes for you.