If you are like me and have been using Lumia since the first Lumia 800/900, then the wait is finally over.
The Windows Phone 8.1 major upgrade is finally available for download on any Lumia/Windows Phone 8 device and you can get it in these 3 easy steps...
1. Log in at appstudio.windowsphone.com:
First, log into appstudio.windowsphone.com with the same Microsoft live account you use on your Lumia. After logging in, it should register your live account.
2. Download the Preview for Developers app:
Get the Preview for Developer app from the Microsoft Store. log into this app with your live account ID.
3. Install updates:
Finally, Go to Settings>Phone Updates>check for updates and download all the awesomeness!