It depends on how your site is setup..
If your forum is provided by a Free-Forum host, then it is highly likely that you will not be able to upload these.
However, assuming you have an account with a good web host which gave you FTP/SQL access etcetera, then you'd simply need to acquire an FTP client such as FileZilla
, supply it with your server details, and upload the content of the two unpacked directories to
After which, once inside of your Admin Control Panel. you can navigate to POSTING > Smilies, and optionally use the provided .pak file to install them.