The first Windows Phone, the HTC HD2, was released in October 2010.

Live Tiles were introduced with the release of Windows Phone 7 in 2010.

Cortana was Microsoft's digital assistant for Windows Phone, introduced in 2014.

The Pin to Start feature allowed users to pin apps and contacts to the Start screen in Windows Phone.

The Windows Store was Microsoft's app store for Windows Phone, where users could download and install apps.

On Windows Phone, users could take screenshots by pressing the Volume Down and Power buttons simultaneously.

Internet Explorer was Microsoft's mobile browser for Windows Phone, pre-installed on all devices.

Windows Phone supported Bluetooth, Wi-Fi Direct, and NFC for sharing content with nearby devices.

OneDrive was Microsoft's cloud storage service for Windows Phone, allowing users to store and access their files from anywhere.

Cortana, Microsoft's digital assistant, allowed users to control their Windows Phone using voice commands.

Maps was Microsoft's mapping and navigation app for Windows Phone, providing turn-by-turn directions and traffic updates.

Windows Phone provided several features for creating and managing to-do lists, including Tasks, Reminders, and To-Do List.

Outlook was Microsoft's email client for Windows Phone, allowing users to access their email accounts and manage their messages.

Windows Phone allowed users to customize the look and feel of their phone through themes, backgrounds, and accent colors.

Messages was Microsoft's messaging app for Windows Phone, allowing users to send and receive text messages and multimedia messages.