Facebook has provided a really simple platform for boosting, all you require is to go to a page, few clicks over respective options and provide your payment details. The amount demanded by Facebook is so decent that most of the people who are administrators of a page try the Facebook boosts feature at-least once in a while.
Follow these steps to boost a page:
At first login to your Facebook and go to your Facebook page
At the left side, you will see a button promote click on that
You will get so many options select the option you want to do
There are a lot of option like boosting your, page, any ad campaign, any post etc.
Click on the option of promoting your page
Target the audience and mention your budget and duration of a particular boost
Click on the button promote
And at last, chose the payment option you are comfortable with and click continue.
"Hope it was informative"