Your own PC. A little closer.

Your PC,
on your phone.

Keep your conversations and project files on a Windows PC you control. Connect your iPhone with a QR code, and pick up where you left off.

Download for Windows

Windows 11 · Host setup preview

What you need before setup

A smiling, hand-drawn puffin with an orange beak and a little heart

One PC. Your phone. A QR code.

1
Set up your PC
Install Box Puffin on the Windows PC that will host your work. Choose its folders and connection settings.
2
Open the pairing screen
Choose Connect Box Puffin on that PC. Sign in with its PIN to generate a private, single-use QR code.
3
Scan with your iPhone
Open Box Puffin, tap Scan QR code, and confirm your PC’s address. Each code expires after five minutes.

Already installed?

Generate a pairing QR

Use this page on your PC. Enter the HTTPS address from desktop setup to open its sign-in page and display a code for your iPhone.

Before you install

A Windows 11 PC that stays on while you connect.
Your own HTTPS address and certificate setup. The host preview needs a reachable address; it does not configure your router or buy a domain.
Your provider accounts. Sign into the AI providers you choose on your own PC.
The Box Puffin iPhone app. It is currently in private TestFlight testing and is not yet a public App Store download.

This Windows preview is not code-signed. Windows may show an unknown-publisher warning. Fresh-PC installation is still being tested.

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