> ## Documentation Index > Fetch the complete documentation index at: https://docs.alterhq.com/llms.txt > Use this file to discover all available pages before exploring further. # Core FAQ > Quick answers to common questions about using Alter Use these short answers first, then expand with how-to or guide content. Scope: quick in-product usage questions only (opening Alter, context, settings, dictation, BYOK setup). ## How do I open Alter? 1. Hover over the notch. 2. Press `Alt+Space`. 3. Hold `Fn` and speak. Open Alter See [Getting Started](/getting-started/getting-started-path) for more details. ## How do I add my own API key? 1. Open Settings (`Cmd+,`). 2. Go to API Keys. 3. Select provider and enter key. Custom API keys See [How-To: Use Your Own API Key](/how-to/use-byok) for detailed instructions. ## How do I add context to a prompt? * Drag and drop files onto the notch. * Right-click files and choose Add to Alter. * Use `@` to add context from the prompt. Drag and drop See [Window Types: Notch, Hub, and Panels](/getting-started/window-types-notch-hub-panels#the-context-section) for more details. ## How do I change settings quickly? * Open Alter and press `Cmd+,`. * Or open three-dot menu -> Settings. Settings menu See [Alter Settings](/how-to/settings-guide) for more details. ## How do I configure dictation? Settings -> Dictation, then choose processor, language, and replacements. Dictation See [Dictation Guide](/workflows/dictation) for complete setup instructions.