How to Build Fast Backlinks?

Softwares could help you, but just for a short time though, getting a quality backlinks is what can safely get you to the top of search and dominate your niche for a long long while.
LinkBoosterz could possibly be of help here

@Sujit Singh: Why is Directory submission not best option to build backlinks?

and have you any luck to submit into dmoz? It's hard enough to list there for me. Do you have any secret to share here?

Thanks
Mac Slover..........................

Best way for Link Building is Article Submission, Forums , And many Other Off-page Activities And Do Inter-linking in on-page also

"Backlinks" also known as incoming links, inbound links, inlinks, and inward links, are incoming links to a website or web page. In basic link terminology, a backlink is any link received by a web node (web page, directory, website, or top level domain) from another web node.
Source: wikipedia

what is backlinks sorry im newbe here

write informative articles and submit its in best sites.

@pankaj sharma Directory submission is not best option to build backlinks.

Directory submission is the best option to build backlinks.

Have A Keyword Rich Domain, Get Involved In Social Bookmarking, Comment On Other Blogs, Get Involved In Social Media and Write List Articles.

Write original articles and submit your articles on different article submission sites. And be careful that these article submission sites should be high PR!

The easiest way is to start writing original articles ans submit on article submission sites.

@Zsolt: agree with you. However, clients always expect instant result - impatient to the SEO work. What should we answer for the questions: what take you so long to bring my website into page one?

Be careful with fast link building because you can get google penalty ! Check out my articles about link building and SEO softwares.

The easiest way is to start writing original articles. Search engines love originality and backlinks remain permanently in search engines compared copied articles.