Final answer:
Typically, the F5 key is used for starting a presentation from the beginning in PowerPoint on Windows, while Command(⌘) + Shift + Enter is used in G Slides on a Mac. To start from the current slide, use Shift + F5 for PowerPoint on Windows, or Command(⌘) + Enter for G Slides on a Mac.
Step-by-step explanation:
Entering into presentation mode can vary slightly depending on the software you are using. However, if we are referring to commonly used presentation software like Microsoft PowerPoint or G Slides, the keyboard shortcut for starting a presentation from the beginning is usually F5 for PowerPoint on Windows, or Command(⌘) + Shift + Enter for G Slides on a Mac. If you want to begin the presentation from the current slide, you can often use Shift + F5 in PowerPoint on Windows or Command(⌘) + Enter in G Slides on a Mac.
Remember that these shortcuts are meant to make the process of entering presentation mode more efficient. It is beneficial to memorize these shortcuts to improve your workflow and make your presentation sessions smoother. It's always a good practice to verify the specific shortcuts for the software and operating system you are using, as they may have unique variations or additional options for accessibility and convenience.