Can't install it using Installer, it looks download flexjs link is wrong, log:
Installer version 3.2.0 (windows) Using Locale: hr_HR Fetched the SDK download mirror URL from the CGI. SDK version Apache FlexJS 0.8.0 AIR version 25.0 Flash Player version 25.0 Creating Apache FlexJS home Creating temporary directory Downloading Apache FlexJS from:OCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="description" content="Home page of The Apache Software Foundation"> <base href="https://www.apache.org/dyn/closer.cgi" /> <link rel="apple-touch-icon" sizes="57x57" href="/favicons/apple-touch-icon-57x57.png"> [...CROPPED HTML...] </body> </htflex/flexjs/0.8.0/binaries/apache-flex-flexjs-0.8.0-bin.zip Unable to download Apache Flex SDK Installation aborted Unable to copy file 3003 Error #3003 -- View this message in context: http://apache-flex-development.2333347.n4.nabble.com/ANNOUNCE-Apache-FlexJS-0-8-0-and-Apache-Flex-FalconJX-0-8-0-Released-tp62718p62758.html Sent from the Apache Flex Development mailing list archive at Nabble.com.