When I open my Creative Cloud application it allowing trial version only..

Does your Cloud subscription properly show on your account page?

If you have more than one email, are you sure you are using the correct Adobe ID?

https://www.adobe.com/account.html for subscriptions on your Adobe page

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If yes

Some general information for a Cloud subscription

Cloud programs do not use serial numbers... you log in to your paid Cloud account to download & install & activate... you MAY need to log out of the Cloud and restart your computer and log back in to the Cloud for things to work

Log out of your Cloud account... Restart your computer... Log in to your paid Cloud account

-Sign in help http://helpx.adobe.com/x-productkb/policy-pricing/account-password-sign-faq.html

-http://helpx.adobe.com/creative-cloud/kb/sign-in-out-creative-cloud-desktop-app.html

-http://helpx.adobe.com/x-productkb/policy-pricing/activation-network-issues.html

-http://helpx.adobe.com/creative-suite/kb/trial--1-launch.html

-ID help https://helpx.adobe.com/contact.html?step=ZNA_id-signing_stillNeedHelp

-http://helpx.adobe.com/creative-cloud/kb/license-this-software.html

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If no

This is an open forum, not Adobe support... you need Adobe staff to help

Adobe contact information - http://helpx.adobe.com/contact.html

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

-Select your product and what you need help with

-Click on the blue box "Still need help? Contact us"