By default, FDM is set to “Medium Mode,” so the user is also able to browse and do other activities on the web. If you choose “Heavy Mode,” you will not be able to use the Internet for other activities, as the Internet speed will become very slow.

Which is faster FDM or IDM?

On Windows if you want a free alternative to IDM then go for EagleGet downloader. Depends on your OS. However if you're on Mac then just go for FDM, the Mac version of FDM is equal to IDM in terms of speed and is highly stable. It integrates well with Safari and Mozilla Firefox and the downloads are as fast as IDM.

Why is FDM not working?

Open FDM main window, click on 'Options' and select 'Settings' (you can use Ctrl+O keyboard shortcut also for that), 3. Once the Settings window opens, select 'Monitoring' and check 'Google Chrome' on the right, restart Chrome if already open for changes to apply.