Replicates the remote computer's display in real-time, sending mouse and keyboard inputs to the server.

You can find the official setup files for version 1.2.0.6 on the page. It is distributed under the GNU General Public License (GPL), making it free for both personal and commercial use. x86 (32-bit) Setup: Download 1.2.0.6 x86 (approx. 3.24 MB) x64 (64-bit) Setup: Download 1.2.0.6 x64 (approx. 2.83 MB) Key Features of Version 1.2.0.6

Supports Data Stream Modification (DSM) plugins to secure connections with end-to-end encryption.

While newer versions like 1.4.x and 1.6.x are available, many users stick to 1.2.0.6 for its stability on older Windows systems or specific internal compatibility needs.

Built-in capability to move files between the local viewer and the remote server without needing separate FTP software.

Optimized for Windows, particularly when used with the optional mirror driver to reduce system load. System Requirements Requirement Operating System Windows XP, Vista, 7, 8, 10, 11 and Server counterparts Processor

Pentium or compatible (SSE/SSE2 recommended for later builds) TCP/IP connection (Internet or Local Area Network) Disk Space Less than 10MB for installation How to Use UltraVNC Viewer

Allows the viewer and server users to communicate via a simple text interface.