You can use it whenever and wherever you feel like. There is no holds barred on the time or the type of currency used. You can redeem these codes anytime and anywhere you want. Now, let's say, keys for microsoft windows need to have a odd number of 1's and must end with a zero.
A key is just a chain of bits, for example 1001. When you enter a key in a software, it checks the validity of the key based on some characteristics. Ive done many hours playing browser games and stuff there to gain points, with these points i bought me steam games, trading cards and other things. Are steam key generator real.? And 'steam key generators' are probably viruses.
