You need to have a torrent downloader program like Utorrent.
Next Search or download the torrent file
Locate the torrent file from your local computer
Notice that the torrent file is now associated with the Utorrent program (or if not try opening your torrent downloader program then add the torrent file)
Once added, It will automatically start your download.
Congratulations you have just learned how to download a torrent file.
How to Open and Save a winRar File
You first need to download winrar 32-bit archiver program.
After installation, check if the rar file now has the winrar icon (an image of a pile of books.).
Open the file by double clicking it.
Check the files inside the rar file.
Click the extract button. You will be prompted to where you want to save the files.
Click the Extract button from the dialog box.
Congratulations! You have now saved files from a rar file.