o Click on DOWNLOAD MKVToolNix... for the file that you want to download. When your browser asks you what to do with the downloaded file, select "Save" (your browser's wording may vary) and pick an appropriate folder.
o Always try the Mirrors (EU and EU2 MIRROR LINK) before reporting Broken links. All servers are fast and reliable servers, located in the European Union. And, usually, they are faster than external main download link (EXT MAIN LINK).