To resume a paused HTTP download, follow the steps given below:
- Open your file in the browser
- Click on Download
- Open IDM and choose the file that you wish to download later
- Copy the address
- Double-click the file that won’t resume and paste the new address, and then press OK
- Right-click on download present in the IDM list
- Click on Refresh from the pop-up menu
- IDM will try to open a web page where you found the initial download link.