Hi
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Thanks for your request. Every Aspose license carries one-year subscription for free upgrades to new versions released during this time. So, you can just check the expiration date of your license. To check an expiration date of your license open the license file using notepad. You will see the following tags:
20090218
It means that you can free upgrade to version of Aspose.Words for Reporting Services published before 02/18/2009.
1. While upgrading you will need new license key if your old license key does not allow upgrading to the latest version. You should contact our sales team in order to get new license key. You can contact them in Apsose.Purchase forum:
http://www.aspose.com/community/forums/aspose.purchase/220/showforum.aspx
2. If you need to evaluate the latest version of Aspose.Words for Reporting services before upgrading, but your license does not allow upgrading to this version, you can request a temporary 30-day license. Please see the following link for more information:
http://www.aspose.com/corporate/purchase/faqs/temporary-license.aspx
Also, please see the following link to learn where the license key should be placed:
http://www.aspose.com/documentation/ssrs-rendering-extensions/aspose.words-for-reporting-services/license-aspose-words-for-reporting-services.html
Please let me know in case of any issues, I will be glad to help you.
Best regards.