1, you can find official website, Hao Yun, and see if there is any remote software to download in their download area. Pay attention to delete the eplan in programdata of disk C, open and load the dongle after downloading, update the driver, and it can run normally.
2. If official website doesn't have one, you need to call them and ask them to send you one. If the software is large, you can burn a CD and send it to you by courier, and you can pay the courier fee.
Of course, if the manufacturer is not responsible for charging, you will be out of luck. Generally speaking, no, most of the software is provided free of charge.