some additional shortcut keys

 Some additional shortcut keys:

Formatting

- Ctrl + B: Bold

- Ctrl + I: Italic

- Ctrl + U: Underline

- Ctrl + Shift + >: Increase font size

- Ctrl + Shift + <: Decrease font size

Navigation (continued)

- Ctrl + Page Up/Page Down: Switch between tabs

- Ctrl + F6: Move cursor to address bar

- F5: Refresh page/window

- F11: Toggle full screen on/off

Multitasking

- Alt + Tab: Switch between open windows

- Alt + F4: Close current window

- Shift + Delete: Open task manager

- Win + Up arrow: Maximize window

- Win + Down arrow: Restore window size

Browser Shortcuts

- Ctrl + T: New tab

- Ctrl + W: Close tab

- Ctrl + Tab: Switch between tabs

- Ctrl + Shift + T: Reopen closed tab

- F5: Refresh page

Other

- Ctrl + Shift + Esc: Open task manager

- F1: Open help/documentation

- F3: Open search function

- Ctrl + Shift + F: Open find and replace