In a Windows PC, the shortcut key for restoring the last action in Microsoft PowerPoint is:

🧠 Explanation:

In Microsoft PowerPoint on a Windows PC, Ctrl + Y restores the last action, undoing an undo. This shortcut is a key topic in software training, engaging users and students. Understanding Ctrl + Y enhances presentation editing, relevant for business and academic tasks. PowerPoint’s functionality attracts those mastering office tools, highlighting its role in creating polished slides for meetings or lectures, ensuring efficient and professional presentation design in various contexts.