Once the download is complete, locate the setup.rar file on your computer. You will need a RAR extraction tool, such as WinRAR or 7-Zip, to extract the contents of the archive.
http://www51scope.cn/files/setuprar and how to install that software. Once the download is complete, locate the setup
If you have a legitimate setup.rar file (e.g., from a small developer who uses RAR compression), follow these steps carefully: Once the download is complete