Windows 10 / 11 (64-bit) Detected · Native Desktop Engine Ready

Download Rescriptum IDE

The high-fidelity native agent IDE. Features automated build verification, instant codebase symbol indexing, isolated worktree subagent swarms, Rescriptum Tab v2.0.4 companion integration, and encrypted local BYOK storage.

Recommended · Standard Setup

User Setup Installer

Standard NSIS user installer. Automatically creates Start Menu & Desktop shortcuts, registers 'rescriptum' in your PATH, and enables background updates. No administrator rights required.

Also available as:
Release Specificationv0.7.0 Stable
Target OS:Windows 10 / 11 (x64)
Runtime:Native Desktop Engine
Package Size:85.4 MB (89,598,008 bytes)
Privileges:Standard User (No UAC)
SHA256:
PowerShell Direct Launch (Run in Windows Terminal / PowerShell)
Invoke-WebRequest -Uri "https://rescriptum.com/downloads/rescriptum-setup.exe" -OutFile "$HOME\Downloads\rescriptum-setup.exe"; Start-Process "$HOME\Downloads\rescriptum-setup.exe"

Cryptographic Integrity & SHA-256 Verification

Verify the authenticity of your binary before execution using standard SHA-256 hash digests.

rescriptum-setup.exe SHA256:
97BBB858F4DD85903EF599B00E7BD0DAC2CFE216AC0D4F076A4C8AA1024A94D5
rescriptum-windows-x64.zip SHA256:
A84D33D2E58900B64245974132C79F6881A3B0A265F32B2AEA87F0B7BF1C5961
In-Browser SHA256 Verifier

Drop your downloaded .exe or .zip here to verify integrity locally via Web Crypto API.

First-Launch Guide

Windows SmartScreen & Trust Notice

Because Rescriptum is currently an unsigned open-beta build, Windows Defender SmartScreen may display a blue protective prompt on initial launch. Here is how to proceed in 2 clicks:

Windows protected your PC

Microsoft Defender SmartScreen prevented an unrecognized app from starting. Running this app might put your PC at risk.

More infoStep 1: Click Here

Reveals the publisher details and the execution button.

Step 2:
Run anyway

Why does this screen appear?

Commercial Extended Validation (EV) code-signing hardware tokens require multi-week corporate identity verification, currently in progress for the v1.0 public release.

100% Local & Encrypted Security

Rescriptum runs entirely locally. Your code mutations, symbol indexing, and API keys remain in encrypted local storage on your machine. No telemetry, code buffers, or keystrokes are ever sent to Rescriptum.

Get Started in 30 Seconds

1

Launch Binary

Run the downloaded rescriptum-setup.exe or portable rescriptum.exe.

2

Set Model Key

Press Ctrl+, to open Settings. Paste your OpenRouter API key. Stored encrypted locally on your device.

3

Open Workspace

Press Ctrl+O or type rescriptum . from your terminal to begin.

System Requirements & Compatibility

Operating System
Windows 10 / 11

64-bit (Build 1903 or later)

Webview Runtime
Edge WebView2

Preinstalled on modern Windows

System Memory
4 GB RAM (8 GB Rec.)

For multi-agent swarm tasks

Version Control
Git 2.30+

For parallel worktree isolation

Browser Companion · v2.0.4Chrome · Brave · Edge

Rescriptum Tab — New-Tab Workstation & Website Pill

Includes the New-Tab Cockpit, floating Website Companion Pill (Alt+S), deduplicated Wordpad & Sovereign Notes, and one-click context dispatch directly into your Rescriptum IDE workspace. Also bundled inside the IDE under the Rescriptum Tab activity button.

Latest Release Notes & Changelog (v0.7.0)

October 20, 2026 Stable
v0.7.0 — OTA Update Feed, Companion v2.0.4 Website Pill, Wordpad Deduplication & Responsive Chat HeaderOctober 20, 2026

Adds live Over-The-Air (OTA) update notifications and an in-app Updates & Patch Notes center inside Settings, bundles Rescriptum Tab v2.0.4 with the restored floating Website Companion Pill toggle and automatic Wordpad document deduplication, refines the responsive Chat Context Bar for narrow editor splits, and streamlines product & settings surfaces.

In-IDE OTA Update Checker & Patch Notes Tab

New 06 · Updates & Patch Notes tab in Settings checks the live release feed on launch, notifies you when a newer version is published, and provides one-click installer updates and full release changelogs.

Restored Floating Website Companion Pill (v2.0.4)

Added the Site Pill: On / Off control directly in the New Tab Home Cockpit top utility bar so you can toggle the floating website companion pill (Alt+S) and Inline Ghostwriter from one click.

Wordpad & Sovereign Notes Deduplication

Eliminated duplicate Wordpad documents caused by Split Workstation sample seeding and repeated URL/storage ingestion, and added automatic clean-up of existing duplicate notes on startup.

Responsive Chat Context Bar & Clean Reasoning Tab

Checkpoints, Reasoning, and Copilot controls now wrap cleanly without clipping when the chat pane is narrow, and the distracting pulsing green dot on the Reasoning tab has been removed.

Streamlined Settings & Documentation Surfaces

Removed internal implementation stack jargon from IDE Settings and public web documentation in favor of clear, capability-focused product controls.

Universal Sentinel Guards & Headless Verification

Includes all v0.6.0 engine protections: pre-write placeholder sentinel guards, repetition loop rejection, diagnostic timestamp sync, and interactive UI form verification.

Frequently Asked Questions

For 90% of developers, the User Installer (rescriptum-setup.exe) is recommended. It installs into %LOCALAPPDATA% without requiring Administrator rights, creates Start Menu & Desktop shortcuts, registers 'rescriptum .' in your terminal PATH, and supports in-app update notifications. The Portable version is ideal if you want zero registry footprint, run from a USB drive, or work on locked-down environments.