Website Ranking and Grab Content

Hello Friends, I am new to this community, I started my many sites, but no traffic on my site, How do i increase this, Is there any need of SEO softwares or what things, If you guide me step by step, There is alot of paid softwares in Blackhat, but which one should i buy,

Read and learn. There's tons of useful threads.

Don't buy software, if you don't know what you are doing.

If you don't to take the time to learn, you can always head over to BST.