Brynhildr (formerly Zero Remote) is a free portable remote desktop program for Windows that includes both client and server components in a single package. This lightweight remote desktop software allows users to securely control another computer from a USB flash drive, on the go, without installation.
Brynhildr | Free Portable Remote Desktop Program
Ideal for users who need remote access on the move, the portable software application supports both connecting to and hosting remote desktop sessions, enabling secure access to desktops, applications, and files from virtually anywhere with an internet connection.

The free RDP shown during a remote desktop connection to Windows.
Brynhildr Remote Desktop Connection Manager
It combines both a remote desktop client and server, allowing easy management of both services from one interface.

Key Features
- Minimal System Resources: Lightweight software that runs efficiently even on older hardware.
- Encrypted Remote Desktop Connections: Ensures privacy and security during remote sessions.
- Screen Sharing: Share your screen for collaboration, presentations, or support.
- Audio Sharing: Supports sharing of audio between local and remote systems.
- Clipboard Sharing: Copy and paste text, images, and files seamlessly between systems.
- File Transfers: Securely transfer files between local and remote machines.
- Multi Monitor Support: Utilize multiple monitors for enhanced productivity during sessions.
Specifications | Official Site | Download
- Author's Website: Project Page
- Creator: Developed by IchiGeki
- License: Open Source (for personal use only)
- Supported Operating Systems: Windows 11, 10, 8, 7, Vista, XP, Windows Server
- Minimum System Requirements: Dual core CPU, 512 MB RAM
- Extracted File Size: < 1 MB
- Downloading: Brynhildr Download
Note: To run the remote desktop server as a Windows service, create a brynhildr folder on your system drive (e.g., C:\brynhildr), copy the extracted files there, then right-click the executable and select "Run as Administrator."
Frequently Asked Questions (FAQ)
What is Brynhildr used for?
Allowing users to remotely control another Windows computer, access files, run applications, share screens and audio, and transfer files securely from a USB flash drive or installed location.
Do I need to install it?
No installation is required. The software is portable and can run directly from a USB drive or local folder.
Is Brynhildr secure?
Yes, all connections are encrypted to protect data during remote sessions. However, always use trusted networks and strong passwords for additional security.
Can I run Brynhildr on older hardware?
Yes, it is designed to use minimal system resources and can run on older or low-spec Windows machines.
Does it support multiple monitors?
Yes, it supports multiple monitors during remote sessions to enhance productivity and workflow.
Is it still being developed?
The project appears to be stable and semi frequent updates are being made available.
Final Thoughts
Brynhildr is a lightweight, portable, and fully featured remote desktop solution for Windows users. Its combination of client and server in one package, encrypted connections, and minimal resource usage make it ideal for technicians, travelers, or anyone needing reliable remote access from a USB drive.