Windows Live Hotmail is essentially Hotmail better equipped to solidly handle big accounts (it comes with 2 GB of free storage, too) and enhanced with a fresher, easily accessible interface. If you ever looked at a beta: Windows Live Hotmail is now reasonably fast.
A few new functions have also made it into Windows Live Hotmail. You can send mail from other accounts, for example, and search all mail (excluding attachments) conveniently.
On the desktop, you can access a Windows Live Hotmail account using Windows Live Mail desktop beta, or using Outlook Express and Outlook if you are either a paying subscriber or have been accessing your Hotmail, MSN Hotmail and now Windows Live Hotmail account in either program forever. FreePOPs works, too, say in Outlook Express, IncrediMail, Windows Mail, Mozilla Thunderbird and Mac OS X Mail.
›› Windows Live Hotmail is a free email service that gives you a 2 GB of online storage, fast search, solid security and an interface easy as a desktop email program.