This is the easiest way to learn Spanish for Free.just give it a try, Here you can find Vocabulary, Daily use Sentences and help with Verbs. Also you can find some very useful links, Websites that offer their services for free.
This Website is Simple but very Useful. Easy to surf arround.
The Steps you need to follow are to check :

1- Vocabulary:  Vocabulary database  ready to be used for daily life interraction. An average Spanish speaking person has a vocabulary database from 3400 to 5000 word.
here you can find over 3400 word, most of them are words that you need for your daily life, I tried to avoid all abstract words and the ones you rarely need.

2-Verbs: The second step is the Use of Verbs in basic tenses first.verbs vary depending on the tense you are using so it's very important to learn at least 60 verbs that are most used.and here you wil find over 60 most used Spanish Verbs

3-Sentences:The Third step is to know how to use the words you memorized in different sentences.
once you acquired the vocabulary, you need to know how to play with your database,manipulate it in different ways. and here you will find over 1500 Sentence of the daily use.to help you learn more about how to play with your vocabulary.

4-Grammar: The Fourth Step is having an idea about Basic and intermediate Grammar,the page will give you almost everything you need about Grammar, the one you use in your daily life.

5-Grammar 2: a different way to Grammar.

6-Writing: this Helps you write a letter to friends or just chat

7-Writing 2: this is the steps you need to follow to write a perfect letter.