x64
For PCs with Intel or AMD processors—the vast majority of desktops and laptops. If Settings → System → About says “x64-based processor,” this is your build.
Intel Core / UltraAMD RyzenOlder Athlons & Xeons
ChatticaAI for Windows
Your library,
on the big screen.
The same private, local-first ChatticaAI—characters, stories, adventures, and your choice of AI provider—built as a native Windows app for x64 and ARM64 PCs.
Windows 10 & 11Intel · AMD · SnapdragonBring your own provider
Windows edition
In preparation
No download exists yet. Anything offering a ChatticaAI Windows installer elsewhere isn’t ours. When the release is ready, the official installer will appear right here—nowhere else.
What’s comingNative installers for x64 and ARM64 PCs, with automatic updates once the first release ships.
Your dataLocal-first like mobile—your library stays on your PC, with backups you control.
MeanwhileGet the full experience today on iOS, iPadOS, and Android.
x64 installerMost PCs
For the overwhelming majority of Windows PCs with Intel or AMD processors.
Download for x64SHA-256ARM64 installerYour PC
For Windows-on-Arm devices—Snapdragon X, Copilot+ PCs, and Surface devices with ARM chips.
Download for ARM64SHA-256Pick the right build
Which installer
fits your PC?
Almost every Windows computer sold to date is an x64 PC. If you’re unsure, choose x64—it also runs on ARM64 machines through Windows’ built-in emulation, just less efficiently.
ARM64
For Windows-on-Arm hardware: Snapdragon X Elite/Plus Copilot+ PCs, Surface Pro X, and similar devices. If About says “ARM-based processor,” use this build for native speed and battery life.
Snapdragon XCopilot+ PCsSurface Pro X
One ChatticaAI, everywhere
Built the same way
as mobile.
The Windows edition is the same product at heart: your library lives on your machine, AI requests go straight to the provider you connect, and your plan carries across devices.
Local-first storageCharacters, chats, and settings stay on your PC, with backups you control.
Your providersOpenRouter, NanoGPT, OpenAI-compatible services, or local servers like LM Studio and Ollama.
One planSubscriber benefits restore across iOS, Android, and PC with your Apple or Google sign-in.
Questions
Before you ask—
we probably wrote it down.
The Help Center covers providers, characters, memory, backups, and more. Desktop-specific guides arrive with the release.