You downloaded a file on Mozilla Firefox and then accidentally cleared your downloadsand you deleted them in my documents also how can you get this download back?

If you've accidentally deleted a downloaded file from both Firefox and your documents, you can try recovering it using file recovery software such as Recuva or EaseUS Data Recovery Wizard, which can scan your hard drive for deleted files. Additionally, check if you have a backup system in place, like Windows File History or a cloud backup service, which might allow you to restore the file. If the file was associated with a cloud service (like google Drive or Dropbox), check their web interface for any backups or version history.