The first thing you need to do in setting up Akisment is to enroll in WordPress.com, since WordPress.com will be able to give you you Akismet Key NUmbers that you need to input in Akismet Setting.
You can find the key at Profiles Page of your newly made WordPress.com Account.
Akismet is a great tool for keeping out spammers in your blog. So make sure to install it in your blog if you don’t want to face problem later on.
