When the notification is out, open the official SSC website and click the apply link for the Stenographer exam.
Register with your basic details, then fill the application form and upload your photo and signature in the given format.
Pay the application fee online before the last date.
Submit the form and save the application printout for your records.
12th pass is the usual minimum qualification; the shorthand skill standards are given in the notification.
Read the eligibility conditions in the official notification before applying.