I just purchased elements 14 and premier 14 for windows and I need it for a mac

You need to go back to sales where you made the purchase and get a refund and buy the correct version

I don't think chat support is open today

Chat/Phone: Mon - Fri  5am - 7pm  (US Pacific Time) <=== NOTE DAYS AND TIME

Cancel https://helpx.adobe.com/creative-cloud/help/cancel-membership.html

-or https://helpx.adobe.com/contact.html?step=ZNA_account-payment-orders_stillNeedHelp

Creative Cloud support (all Creative Cloud customer service issues)

http://helpx.adobe.com/x-productkb/global/service-ccm.html

-or by telephone http://helpx.adobe.com/x-productkb/global/phone-support-orders.html