21.03.2016 22:15
1) Open WinRAR and choose your file by right-click of the mouse. Select Add files to archive.
2) Choose your archive name, format, and compression method.
3) To split your archive, you should point a volume size, in bytes (Split to volumes option) as it shown on a screenshot. You can choose a number from the drop-down list or enter your own value. Press OK.
4) The program will create the archive and split it into smaller parts that you have pointed previously (the last screenshot).