Tip 1: Install the Alexa Toolbar
As a first step, install the Alexa Toolbar, or install SearchStatus if you use Firefox, and set your website as the homepage, so every time you open your browser, Alexa counting system begins to work.

Tip 2: Get traffic
Put up an Alexa rank widget on your website. When being clicked, Alexa would register it as a pv even if that visitor does not have the Alexa Toolbar installed.
Tell your friends, site visitors, blog readers and colleagues to use the Alexa Toolbar, and encourage them to visit your website. If possible, install the Alexa Toolbar on every computer in your company or office, and set your website as the homepage.
Offer some practical webmaster tools on your website. This often attracts a lot webmasters who will keep revisiting your website to gain access to the tools.
Post you url on as many forums as possible related to your content or anywhere else.
If you have sufficient fund, you can also buy some banners, advertisements and backlinks for traffic.

Tip 3: Write Quality content
Content is the key that makes or breaks your website. The more quality content you write, the more people love it and search engines love it. The more people love it, the more likely they are to link to you bringing you additional traffic who might have the Alexa Toolbar installed. The same goes with search engines.

Tip 4: Use Alexa ranking services
I know all people are not tech savvy or SEO experts to grasp everything about Alexa Ranking improvement. Many people complain that they do not have enough friends or visitors with Alexa Toolbar installed. It is annoying to write and promote relevant blogs or posts to get traffic. And it often turns out to be a big budget for hiring forum posters or buying banners or advertisements, etc. Ok, you may just Download and install the Alexa toolbar, and find a professional Alexa worker, like improvealexaranking.com, and many others if you search on Google, to take care of the rest work. This seems to be the easiest way, but be careful enough to find the real expert who should have a strong technical team and enough experience to achieve your goal without violating any rule or bringing you any trouble!