In Studio on the Run tab, you do not see the Schedule on Server option.
Schedule on Server requires Foundation Enterprise. Foundation Workgroup does not include Winshuttle SAPIS, the component necessary to schedule jobs on the server.
Contact your Sales Account Owner for pricing information regarding Foundation Enterprise.
Also please note Scripts recorded in GUI Mode of recording can not be scheduled on Server ( Please check the scrips what recording mode is used)
To check your version of Foundation, load the Foundation home page in the browser then scroll down to the bottom of the page. Next the build number, the footer will show Foundation Enterprise or Foundation Workgroup.