Help to increase my sites PR

how can I increase my sites PR? pelase reply with procedures.. thanks a lot!
To increase page rank of your site in Google, Bing, AOL, yahoo and many other search engines you can do directories submissions, article writing, social networking promotions like youtube, facebook and twitter promotions and Social Bookmarking .These are free methods which helps to get small amount of traffic. It will take some months to increase traffic. If you want to increase your website traffic and page rank soon, you can get Search Engine Visibility service from the site this promote site in search engines, directories and many ways to increase page rank and traffic.