Microsoft has released multiple versions after 2021 and each version may have different new features. In general, some new features that have been introduced in recent versions of Windows include:

1. Windows Hello: A biometric authentication system that allows users to log in to their device with a fingerprint or facial recognition.
2. Cortana: A virtual assistant that can help users with tasks such as setting reminders, making phone calls, and answering questions.
3. Snap Assist: A feature that allows users to easily organize and arrange multiple windows on their screen.
4. Virtual desktops: Allows users to create multiple virtual desktops for different tasks and applications.
5. Continuum: A feature that allows users to switch between touch and non-touch input modes depending on the device they are using.
6. Microsoft Edge: The new web browser that replaces Internet Explorer, featuring a new look, better performance, and new features like Cortana integration, annotation and reading mode.
7. Windows Sandbox: A new feature that allows users to safely run unknown applications in an isolated environment.
8. Windows Security: A new security application that provides real-time protection against malware and other threats.

Regarding the keyboard shortcuts, they can vary depending on the version of Windows, but generally, Windows shortcuts include:

1. Windows key + L: Locks the computer
2. Windows key + D: Show the desktop
3. Windows key + E: Open File Explorer
4. Windows key + R: Open Run dialog box
5. Windows key + T: Cycle through open apps on the taskbar
6. Windows key + P: Project to a different screen
7. Windows key + Tab: Open Task View
8. Windows key + Ctrl + D: Create a new virtual desktop
9. Windows key + Ctrl + Right/Left arrow: Switch to the next/previous virtual desktop

1.Keyboard Shortcuts for Screenshots:

• Windows: Windows key + Print Screen
• Mac: Command + Shift + 3 or Command + Shift + 4
• Linux: PrtScn or Shift + PrtScn

2. Keyboard Shortcuts for Special Characters:

• Windows: Windows key + . or Windows key + ;
• Mac: Control + Command + Space
• Linux: Compose key

3. Keyboard Shortcuts for Text Manipulation:

• Windows:
  • Cut: Ctrl + X
  • Copy: Ctrl + C
  • Paste: Ctrl + V
  • Undo: Ctrl + Z
  • Redo: Ctrl + Y
• Mac:
  • Cut: Command + X
  • Copy: Command + C
  • Paste: Command + V
  • Undo: Command + Z
  • Redo: Command + Shift + Z

4. Keyboard Shortcuts for Navigating Windows:

• Windows:
  • Minimize window: Windows key + Down arrow
  • Maximize window: Windows key + Up arrow
  • Close window: Alt + F4
• Mac:
  • Minimize window: Command + M
  • Maximize window: Command + Control + F
  • Close window: Command + W

5. Keyboard Shortcuts for Web Browsers:

• Chrome:
  • Open new tab: Ctrl + T
  • Close current tab: Ctrl + W
  • Switch between tabs: Ctrl + Tab
• Firefox:
  • Open new tab: Ctrl + T
  • Close current tab: Ctrl + W
  • Switch between tabs: Ctrl + Tab

6. App-specific Keyboard Shortcuts:

• Photoshop:
  • New Layer: Ctrl + Shift + N
  • Undo: Ctrl + Z
  • Zoom In: Ctrl + +
  • Zoom Out: Ctrl + –
• Excel:
  • Autosum: Alt + =
  • Cut: Ctrl + X
  • Copy: Ctrl + C
  • Paste: Ctrl + V
  • Find: Ctrl + F
• Word:
  • Bold: Ctrl + B
  • Italic: Ctrl + I
  • Underline: Ctrl + U
  • Cut: Ctrl + X
  • Copy: Ctrl + C
  • Paste: Ctrl + V

Note: These are some common keyboard shortcuts, but they may vary depending on your operating system or specific application.