To open the port 3306 or other

Tried to open port 3306 using following steps:

i. Open Control Panel from the Start menu.
ii. Select Windows Firewall.
iii. Select Advanced settings in the left column of the Windows Firewall window.
iv. Select Inbound Rules in the left column of the Windows Firewall with Advanced Security window.
v. Select New Rule in the right column.
vi. Select Port in the New Inbound Rule Wizard and 
     then click Next.
vii.Select which protocol this rule will apply to (TCP or UDP), 
      select Specific local ports, 
      type a port number (80), 
      port numbers (80,81), 
      or a range of port numbers (5000-5010) and 
      then click Next.
viii.Select Allow the connection and 
      then click Next.
ix. Select when this rule applies (check all of them for the port to always stay open) and        then click Next.
x. Give this rule a name and 
      then click Finish to add the new rule.