Key
Getting things done on your computer
Plain guides to the small jobs that take too long: finding a file, changing a setting, tidying a folder. Each one shows the way to do it by hand, and the way to ask Key.
How to change brightness, dark mode and other settings by voice
Where brightness, dark mode, night light, text size and battery settings live on Windows and Mac, and how to change them by saying so to an AI assistant.
Read the guide → FilesHow to find a file by what is inside it, on Windows and Mac
You forgot the file name but remember what it said. How to search inside files on Windows and Mac, and how to ask an AI assistant to find it for you.
Read the guide → Getting startedA free AI desktop assistant for your PC that does the job, not just the talking
A desktop AI assistant does the work on your PC: opens apps, finds files by what they say, changes settings. What one can do, and what to check first.
Read the guide → SafetyIs it safe to let an AI assistant use your computer?
An assistant that clicks and types on your computer needs firm limits. Five questions to ask before you install one, and how Key answers each of them.
Read the guide → FilesHow to clean up your Downloads folder without losing anything
A full Downloads folder hides the file you need. How to sort it into folders on Windows and Mac without deleting the wrong thing, by hand or by asking Key.
Read the guide → MacAn AI assistant for your Mac that works in your real apps
Key is a free AI assistant for macOS 11 and newer. Speak or type, and it opens apps, finds files by what they say and changes settings on your Mac.
Read the guide → VoiceA voice assistant for your PC: say what you want, and it gets done
Control your Windows or Mac computer by voice in plain words. What Voice access and Voice Control do, and how Key does whole jobs when you just say it.
Read the guide → FilesHow to download a whole folder from Google Drive or OneDrive
Need to download a folder, not single files, from Google Drive or OneDrive? Here is how to get the whole thing as one zip, on Windows and Mac, step by step.
Read the guide → FilesHow to find and delete large files on your Mac
Mac says your storage is almost full? Here is how to find large files on your Mac, check what is safe to remove, and clear the space, by hand or by asking Key.
Read the guide → FilesHow to free up disk space on Windows 11 without deleting what matters
Free up disk space on Windows 11 the safe way: use Storage settings and Disk Cleanup, check what you remove first, and see how to ask Key to help.
Read the guide → FilesHow to search for a file on Windows 11 when Search can't find it
Windows 11 Search came up empty? Try these steps by hand to search for a file, from File Explorer to the search index, then ask Key to look for you.
Read the guide → FilesHow to search inside a file on Mac with Spotlight and Finder
Remember what a document said but not its name? Learn how to search in a file on your Mac by its contents with Spotlight and Finder, step by step.
Read the guide → FilesHow to search inside files for a word or phrase on Windows
Learn how to search inside files on Windows for a word or phrase, using File Explorer and the search box, plus the easy option of asking Key to find it.
Read the guide → Getting startedWhat can an AI assistant on your PC do every day?
Curious what an AI PC assistant is good for? See plain, everyday jobs it can handle, how to do each by hand, and how to ask Key instead.
Read the guide → FilesWhere is my Downloads folder? How to find and change it
Find your download folder on Windows and Mac, pin it for quick access, and change where your browser and PC save files. Simple steps, or just ask Key.
Read the guide → SettingsHow to change the volume and sound output device on your PC
Sound coming from the wrong speakers or headphones? Follow these quick steps to change the sound output device and volume on Windows and Mac.
Read the guide → FilesHow to delete temporary files in Windows 11 and free up space
A safe, step-by-step way to delete temporary files in Windows 11 and clear out old installers, plus the Mac steps, and how to ask Key to do it for you.
Read the guide → FilesHow to find a file when you only remember part of its name
Half-remember a file name? Here is how to search for a file on Windows and Mac using partial names and wildcards, and how to just describe it to Key.
Read the guide → FilesHow to find duplicate files and remove them on Windows or Mac
A safe, simple way to find duplicate files like photos and documents on Windows or Mac, check them, and remove the extras without losing anything.
Read the guide → FilesHow to find recently opened or changed files
Saved a file yesterday and can't find it? Find recently modified files on Windows and Mac by sorting by date in File Explorer and Finder, or ask Key.
Read the guide → FilesHow to organize files into folders by type, date or name
A messy Desktop or Documents folder? Sort files into folders by type, date or name on Windows and Mac, by hand first, then by asking Key to do it.
Read the guide → FilesHow to search for text inside PDF files on your computer
Need the one PDF that mentions a word? Learn how to search text in PDF files on Windows and Mac by hand, and how to ask Key to find it for you.
Read the guide → SettingsHow to stop programs from starting when Windows turns on
Slow PC at startup? Learn how to disable startup apps in Windows 11 with Settings or Task Manager, how it works on a Mac, and how to just ask Key.
Read the guide → SettingsHow to turn on dark mode on Windows 11 and Mac
Turn on dark mode on Windows 11 and Mac in a few clicks, with the exact Settings steps for each, plus the quick way: just ask Key to switch it for you.
Read the guide → QuestionsKey Assistant: questions and answers
Short answers about Key Assistant: what it is, what it costs, which computers it runs on, what it can do, and what it will never do.
Read the guide → FilesMac storage full? What is safe to delete and how to empty the Trash
Your Mac says the disk is almost full. Here is what is safe to delete, how to empty the Trash, and how to see what is using the space, step by step.
Read the guide → Getting startedCopilot alternative for Windows: what each assistant does, and how to choose
Looking for a Copilot alternative on Windows? What Copilot, voice access and a desktop assistant each do, side by side, so you can pick the right one.
Read the guide → Getting startedCortana alternative for Windows 11 and Windows 10: what to use now
Cortana is gone from Windows. What Microsoft offers instead, how to turn on voice access, and how to pick an assistant that does the job for you.
Read the guide → SettingsHow to change which app opens PDFs and other file types
A PDF opens in your browser, or a photo in the wrong program? Here is how to change the default app to open files on Windows and Mac, by hand or by asking Key.
Read the guide → SettingsHow to change your screen brightness on Windows 11 and Mac
Screen too dim or too bright? Here are the fastest ways to change screen brightness on Windows 11 and Mac, plus what to do when the slider is missing.
Read the guide → Getting startedHow to check your microphone and camera before a meeting
Test your microphone, check your camera and mute yourself before a video call, on Windows and Mac. Simple steps by hand, then how to ask Key to help.
Read the guide → BrowserHow to clear your browser cache in Chrome, Edge and Safari
Step-by-step help to clear browser cache and history in Chrome, Edge and Safari, so slow or broken websites load properly again. Plus how to ask Key to do it.
Read the guide → SettingsHow to connect Bluetooth headphones or a speaker to your PC or Mac
Step-by-step help to connect Bluetooth headphones or a speaker to a Windows PC or a Mac, plus what to do when they will not pair or reconnect.
Read the guide → FilesHow to copy a file path on Windows and Mac
Need to copy a file path or location to paste into an email or chat? Here are the quick ways on Windows 10, Windows 11 and Mac, plus an easier way to ask.
Read the guide → FilesHow to find a file by the date you last worked on it
Remember when you saved a file but not its name? Learn how to find a file by date modified in File Explorer and Finder, or just ask Key.
Read the guide → FilesHow to find a file you saved but can't find
Saved a file and now it's gone? Follow simple steps to find it on Windows and Mac by name, date or type, or just ask Key to look for it.
Read the guide → FilesHow to find all photos or all Word documents on your computer
Want every photo or every Word document in one list? Here is how to search by file type on Windows and Mac, and how to just ask Key to do it for you.
Read the guide → FilesHow to get a deleted file back from the Recycle Bin or Trash
Deleted a file by accident? Here is how to recover a deleted file from the Recycle Bin on Windows or the Trash on Mac, step by step, plus what to try if it is gone.
Read the guide → SettingsHow to make text and icons bigger on your screen
Make text bigger on screen in Windows 11 and macOS: change text size, scale everything up, or zoom in. Step-by-step by hand, or just ask Key.
Read the guide → SettingsHow to make your laptop battery last longer with battery saver
Turn on battery saver mode in Windows 11 or Low Power Mode on a Mac, set it to start by itself, and see which apps drain your laptop battery.
Read the guide → FilesHow to move files to a new folder in one step
Move or copy loose files into a brand new folder in one go, by hand on Windows and Mac, or by asking Key. Short steps, no extra tools needed.
Read the guide → FilesHow to rename multiple files at once on Windows and Mac
Got a pile of files named IMG_001 and the like? Here is how to rename multiple files at once on Windows and Mac, step by step, with no extra software.
Read the guide → FilesHow to see which files and folders are using the most space
Drive almost full? Here is how to see what is taking up space on your computer, on Windows and Mac, so you know which folders are big before you remove anything.
Read the guide → RemindersHow to set a reminder on Windows 11 and Mac
Learn how to set a reminder on computer, step by step. Use the built-in Clock, To Do and Reminders apps on Windows 11 and Mac, or just ask Key.
Read the guide → SettingsHow to stop your screen from turning off or your PC from sleeping
Stop your computer from sleeping during a call or download. Change the screen timeout and sleep settings on Windows and Mac, by hand or by asking Key.
Read the guide → Getting startedHow to take a screenshot on Windows 11 and Mac, and find it
How to take a screenshot on Windows 11 and Mac with simple shortcuts, plus where screenshots are saved and how to find one you can't see.
Read the guide → SettingsHow to turn off notifications and use Do Not Disturb
Turn off notifications on Windows 11 and Mac, switch on Do Not Disturb for meetings, set it to run on its own, and let Key flip the setting for you.
Read the guide → SettingsHow to turn on Night Light or Night Shift to rest your eyes
Where to find Night Light in Windows 11 and Night Shift on a Mac, how to set a schedule, and how to make the screen warmer in the evening.
Read the guide → FilesHow to zip and unzip files on Windows and Mac
Learn how to unzip a file and how to zip several files into one on Windows and Mac, using only the built-in tools. No extra software needed.
Read the guide → Getting startedSiri for Windows: is there one, and what to use on a PC instead
Siri only runs on Apple devices. Here is what a Windows PC has instead, how to set up voice control in Windows 11, and an assistant that works on both.
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