Download Casitka for Windows

Your full AI companion — offline, on your machine. No browser required.

Version 1.5.1

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Current Plan

Desktop App Available!

Download the Windows desktop app below. If you encounter any issues, please contact support.

Windows — Recommended (most users)

Size: ~11 MB • Platform: Windows 10/11

Windows — For IT-managed deployments

Size: ~11 MB • Platform: Windows 10/11

Windows may show a brief security prompt. Click “More info” then “Run anyway” to install. This is normal for new apps and will go away once our publisher certificate is live. See the full install guide (Windows & macOS).

Installation Instructions

1Choose your version: Recommended (most users), or For IT-managed deployments
2Double-click the downloaded file and follow the installation wizard
3Launch Casitka Digital Twin from your Start Menu or Desktop
4Sign in with your Casitka account, or create one free

Works Without Internet

The desktop app can process most tasks on your computer

Offline Processing

Download models once, use them anytime

No Per-Use Fees

Local processing has no usage limits

Local Storage

Audio and text stay on your machine

What's Included

Talk to your companion

Press the hotkey and speak — dictate, draft, and ask, online or offline

Automatic Mode

Chooses local or cloud processing based on the task

Import from Web

Bring workflows from the web app to run locally

Synced with the web

Your work and history stay in sync across web and desktop

Auto-paste

Dictated and drafted text goes straight into your document

Writing Tools

Grammar, summaries, and text cleanup

Need help? Check our documentation or contact support.