Universal handwriting input system is a text input system through handwriting input. The following steps are required to use this system: 1. Install universal handwriting input system software. 2. After starting the software, you will enter the handwriting input interface. 3. Write characters (such as Chinese characters) on the interface with a stylus or fingertips. 4. Wait for the system to automatically recognize the input text and display it on the screen. 5. If the recognition result is incorrect, you can manually select the correct text or modify it. 6. Enter the required text in turn, and then save or copy it to other applications. It should be noted that the use of handwriting input system needs some practice and adaptation time. In order to improve the recognition accuracy, it is necessary to keep the handwriting clear and standardized.