1. Go to your blog dashboard -> Pages -> click on "New page" -> add Contact as the title.
2. Click on HTML (next to Compose) and add this:
<div class="contact-form-widget">
<div class="form">
<form name="contact-form">
<input class="contact-form-name" id="ContactForm1_contact-form-name" name="name" onblur="if(this.value=='')this.value=this.defaultValue;" onfocus="if(this.value==this.defaultValue)this.value='';" size="30" type="text" value="Name" vinput="" />
<input class="contact-form-email" id="ContactForm1_contact-form-email" name="email" onblur="if(this.value=='')this.value=this.defaultValue;" onfocus="if(this.value==this.defaultValue)this.value='';" size="30" type="text" value="Email" vinput="" />
<textarea class="contact-form-email-message" cols="25" id="ContactForm1_contact-form-email-message" name="email-message" placeholder="Message" rows="5"></textarea>
<button class="contact-submit" id="ContactForm1_contact-form-submit" type="button" value="Send">Send</button>
<div class="contact-form-error-message" id="ContactForm1_contact-form-error-message"></div>
<div class="contact-form-success-message" id="ContactForm1_contact-form-success-message"></div>
</form>
</div>
</div>
3. Publish the page and send a test message to make sure everything works.