Wait for the CMD window to close automatically. The software is being installed and activated in the background. :
If prompted for a password, it is commonly www.sigma4pc.org or sigma4pc . : Wait for the CMD window to close automatically
To test, try downloading a file; the IDM download dialog should appear instead of the browser's default downloader. try downloading a file
Open the extracted folder and find a file typically named Install ENG.exe or similar. Wait for the CMD window to close automatically
Run this file as an administrator. A Command Prompt (CMD) window will appear. :