If you have already downloaded a .rar file from another source, follow these steps to access it:
: Use a tool like WinRAR or 7-Zip to right-click the file and select "Extract Here."
: The official version of WinCHM Pro offers a free trial period, allowing you to test its features—such as creating CHM, WebHelp, and PDF files—without security risks.
: Files distributed as .rar on file-sharing sites often contain "cracks" or "patches" which frequently bundle malware or adware .
Downloading in a .rar format typically indicates a third-party or unofficial distribution, as the official developer provides the software as a standard Windows installer (.exe).