v1.0.0 Initial release
First public release of Claude Multi-Instance.
Multi-account launcher for the Claude desktop app on Windows. Run multiple isolated profiles side by side, each with its own sessions, conversations, settings and Google login.
Features
- Per-profile
--user-data-dirlaunches, resilient to Claude MSIX auto-updates - Auto-created desktop shortcuts (toggleable per profile)
- Multi-select for batch actions (launch / close / delete)
- Close running sessions via process tree kill
- Optional
claude://handler patch to route Google login callbacks to the last-launched profile
Install
Option 1 — Pre-built binary (no Python required)
Download claude-multi-instance-v1.0.0-windows.zip below, unzip both .exe files in the same folder, and run claude-multi-instance.exe.
Option 2 — From source
Requires Python 3.9+. Clone the repo and run python main.py. Pure standard library, no pip install.
Requirements
- Windows 10 or later
- Claude desktop installed
Verify download
SHA-256 of claude-multi-instance-v1.0.0-windows.zip:
60E9C8FDE4A7E936B23C9D2B2C634ADC760688291B71F4180F42F6787908CA2E
Verify in PowerShell:
Get-FileHash claude-multi-instance-v1.0.0-windows.zip -Algorithm SHA256