Download UK Secure Chat
⬇️ Download for WindowsUK-Secure-Chat-Setup-1.0.0.exe (114 MB) - Installer
⚠️ Security Notice: As new software, you may see a security warning from Windows or your antivirus when first running UK Secure Chat. This is normal for recently released applications and will improve as more users download the software. The application is digitally signed by Chapman AI Ltd with an Extended Validation certificate.
Norton Users: Norton may flag this as "IDP.HELU.PSD11" - this is a false positive common with new software. Please restore from quarantine and add to exclusions. We have submitted the application for whitelisting.
✅ Digitally Signed & Verified
This application is digitally signed with an Extended Validation (EV) certificate
2C587182A66D112918BC54A3A24132DE34127A2E430CD7F29C3532B525699D59
Core Features
Zero Data Retention
Our relay never stores your prompts or AI responses. Every conversation is stateless, ensuring your data remains private.
UK Data Residency
All processing happens in UK South Azure regions. Your data never leaves the UK, ensuring compliance with local regulations.
End-to-End Encryption
Local database encrypted with SQLCipher. Message content secured with AES-256-CBC. Keys stored in Windows Credential Manager.
AI Assistant Integration
Access to Azure OpenAI GPT-4 through our stateless relay. Get AI assistance without compromising your privacy.
Automatic Updates
Built-in auto-update system checks every 4 hours. Stay secure with the latest features and security patches.
Certificate Pinning
TLS 1.3 minimum with certificate pinning to relay.chapmanai.com. Protection against man-in-the-middle attacks.
📋 Installation Guide
Click the download button above to get the UK-Secure-Chat-Setup-1.0.0.exe installer
Double-click the downloaded installer file. Follow the installation wizard to install UK Secure Chat
Select your preferred installation directory and whether to create desktop and start menu shortcuts
If Windows Defender SmartScreen appears, click "More info" then "Run anyway". This is normal for new applications.
The app will automatically check for updates and create secure local storage for your messages
Technical Specifications
Architecture
Electron + React
TypeScript
Security
SQLCipher Database
AES-256 Encryption
Network
TLS 1.3+
Certificate Pinning
Authentication
JWT Tokens
15-minute expiry
AI Backend
Azure OpenAI
GPT-4 Model
Data Location
UK South Region
GDPR Compliant