To change your password, visit your account page at https://www.fyrebox.com/account and scroll down to the password section. You can see how it looks like below:
Just enter your new password in both fields. Please note that your password needs to be at least 4 characters to be a valid password. If you have used Facebook Connect to create a new account and hence haven’t entered a password when you signed up, you will be able to login on Fyrebox using your Facebook email and the password you just entered (and not your Facebook password).
When you have successfully changed you password, the account page will refresh you will get the following message: