If you are a developer and want to customize the code then here are a few code examples that might be of some help:
Find out if a member is logged in or not

global $auth;
$user_id = $auth->getUserInfo(‘member_id’);
if (!empty($user_id))
{
    //pleace code that only members can see
}

Get member id and his/her current status

global $auth;
$user_id = $auth->getUserInfo(‘member_id’);
if (!empty($user_id))
{
    //User is logged in so add your conditional code here
    $membership_level = $auth->getUserInfo(‘membership_level’);
    if($membership_level == 1)
    {
        //Add stuff for this level
    }
}

You can use the WP CSV to DB plugin to upload member details from a CSV file into the WP eMember’s database.
Before you use this method please note that if you want to import your WordPress users into eMember then there is an easier option for you. Simply browse to the “Import WP Users” tab from the “Members” menu and you will be able to import all your WordPress users into eMember.
Setup/Preparation

Install the WP CSV to DB plugin.
Download the members.csv template file and open it using Microsoft Excel.
Fill up the …

Below is a list of the main features of the WP eMember Plugin:
Content Protection

Ability to selectively protect the posts, pages, categories and comments
Selectively protect full or section of a post or page
Teaser content – Ability to use “more” tag protection to create teaser content
Secure RSS feeds - Secure RSS feeds allow your members to view their membership material in their RSS reader
Login restriction by IP Address - If the number of login attempts from different IP addresses exceed the specified limit then the member’s account will be locked
Domain Level Lockdown – ability …

WP eMember was designed in a way so you as the admin have some customization freedom as to how the membership registration flows.
If you are not sure about the difference between a “Join Us” page and a “Registration” page then please read this post first.
The member registration flow is the same for signing up for any type of membership except the free one (if you want to allow free membership). The registration process for the “Free Membership” is slightly different because this one doesn’t have any payment involved.
Member Signup Scenerio …