open the properties of selected object
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ALT+SHIFT
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CTRL+SHIFT
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ALT+ENTER
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CTRL+ENTER
C
Correct answer
Explanation
ALT+ENTER is the standard keyboard shortcut to open the Properties dialog for a selected file or folder in Windows Explorer. ALT+SHIFT and CTRL+SHIFT are used for various other functions but not properties. CTRL+ENTER is typically used for 'Open' or in browsers for auto-complete URLs. This is a fundamental Windows keyboard shortcut.