What's your most-used keyboard shortcut? Let us know in the comments, or on the Logitech Discover blog .

Want to start your presentation? Pressing F5 launches your slideshow from the very first slide instantly.

The F5 key is a masterpiece of utility. While other Function keys have seen their relevance fade (does anyone use F9 for Microsoft Word fields anymore?), F5 has cemented itself in our digital vocabulary. It solves the problem of "now vs. later" by demanding immediate updates from our machines.

New users should be trained on F5 as a primary troubleshooting step for stale data (web pages, file explorer), while advanced users should incorporate Ctrl+F5 for server-side updates.

Just like in a browser, pressing F5 refreshes the contents of a folder or your desktop. If you just moved a file and it isn’t showing up yet, F5 will force the view to update.

On many modern laptops (like MacBooks, Dells, or HPs), the F5 key is shared with a hardware icon, such as or Media Play/Pause .