After months of waiting and promises, Microsoft has finally officially started rolling out the Windows 10 Mobile update. The company has today confirmed that Windows 10 Mobile is rolling out over-the-air and is available for select Windows Phone 8.1 devices.

The update doesn't include some devices that are already running Windows 10 Mobile in the Windows 10 Mobile Insider program. The following devices are now receiving the update:

Lumia 1520

Lumia 930

Lumia 640

Lumia 640XL

Lumia 730

Lumia 735

Lumia 830

Lumia 532

Lumia 535

Lumia 540

Lumia 635 1GB

Lumia 636 1GB

Lumia 638 1GB

Lumia 430

Lumia 435

BLU Win HD w510u,

BLU Win HD LTE x150q,

MCJ Madosma Q501