Knowledge Base

To find your serial number, please choose the option below that applies to you:

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If you bought your Trend Micro product online, refer to your order confirmation email, which contains your serial number as well as other details of your purchase.

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If you renewed your subscription for your Trend Micro product, your serial number is the same as that of the previous version you used. The subscription’s expiry date will be extended based upon the number of years you purchased.

For instructions on how to find the serial number from the previous version of your program, refer to the solution below:

Where can I find the serial number, scan engine version, and program version of my Trend Micro Internet Security program?

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If you purchased your product from Digital River, our online reseller, you can also check their customer service website. You will need to provide them with the information listed below:

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Order number and password

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Email address and the last five digits of your credit card number

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If you do not learn your serial number through any of the options listed above, contact Trend Micro Consumer Support. Be ready to provide our engineers with the following information:

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Order number

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Email address

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Customer name

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Customer number

Related Information:

How can I change the serial number of my Trend Micro product?