Keyboard shortcuts are an essential part of using a computer efficiently. They can save you time and effort when navigating your computer, and can help you perform tasks quickly and easily. Here are 10 essential keyboard shortcuts that every computer user should know:

1. Ctrl + C: This keyboard shortcut is used to copy selected text or items. Simply select the text or item you want to copy, and press Ctrl + C.
2. Ctrl + V: This keyboard shortcut is used to paste copied text or items. After you have copied the text or item you want to paste, place the cursor where you want to paste it and press Ctrl + V.
3. Ctrl + X: This keyboard shortcut is used to cut selected text or items. Cutting removes the text or item from its original location and places it in the clipboard. Simply select the text or item you want to cut, and press Ctrl + X.
4. Ctrl + Z: This keyboard shortcut is used to undo the last action you performed. If you make a mistake, you can simply press Ctrl + Z to undo it.
5. Ctrl + A: This keyboard shortcut is used to select all items in a document or folder. Simply press Ctrl + A to select everything.
6. Windows Key + D: This keyboard shortcut is used to minimize all open windows and show the desktop. This can be useful when you need to quickly access a file on your desktop.
7. Windows Key + E: This keyboard shortcut is used to open File Explorer. You can use this to quickly access your files and folders.
8. Windows Key + L: This keyboard shortcut is used to lock your computer. This can be useful when you need to step away from your computer for a moment.
9. Alt + Tab: This keyboard shortcut is used to switch between open windows. Simply hold down the Alt key and press Tab to switch between open windows.
10. Ctrl + Shift + Esc: This keyboard shortcut is used to open Task Manager. You can use this to see which programs are running on your computer and how much CPU and memory they are using.

Knowing these 10 keyboard shortcuts can help you be more efficient when using your computer. By incorporating them into your daily routine, you can save time and effort, and get more done in less time.