1. If you haven't downloaded the decoder yet, you can search Baidu, find a download address and download this.

2. After the download is completed, you can decompress or directly click the main program installation. When installing, pay attention to whether there are any plug-ins, and choose if there are any.

3. Choose your own installation directory, or you can default to the installation directory, and continue to the next step and install it all the time.

4. Then install a file association tool. If the installation system is xp, just select the xp medium style icon, and then go to the next step.

5. After the installation, there are two icons on the desktop, one is decoder setting and the other is decoding. At this point, you can see that the FLV format of the desktop has been changed to play with decoding.

6. But just after installation, click on the upper left corner, and the pop-up menu is in Korean. If you want to change it, set it to simplified Chinese, and the setting is complete.

Decoder is a multi-input multi-output combinational logic circuit in electronic technology, which is responsible for translating binary codes into specific objects (such as logic levels), and its function is opposite to that of encoder. Decoders are generally divided into general decoders and digital display decoders.