[Tip]: Cortana can shut down, restart or sleep your PC

Apart from various voice activated features of Cortana, you can now ask Cortana to shut down, restart or sleep your PC.
Windows 10 Fall Creators Update has added this feature.
You can shut down, restart, or sleep your PC simply by saying any of these:

• “Hey Cortana, lock my computer.”
• “Hey Cortana, shut down my computer.”
• “Hey Cortana, restart my computer.”