Renewals & Registration

  1. Log in to the Online Registration System for your location/language:
  2. Click the Register Your Product button. Then the Enter Registration Key window will appear.
  3. Enter the product key. The Activation Code (AC) will be sent via email.

Delete your browser's temporary internet files.

For Internet Explorer:

  1. Close all browser windows.
  2. Open a new Internet Explorer window.
  3. Click Tools > Internet Options > General tab.
  4. Go to the Browsing History section and click Delete.

For Google Chrome

  1. Open a Chrome window.
  2. Click the Tools icon in the upper-right corner, then select Options.
  3. Go to the Under the Hood tab and click the Clear browsing data button.
  4. Tick the Empty the cache checkbox.
  5. Select the time range from the Obliterate the following items from dropdown.
  6. Click the Clear browsing data button.

The Registration Key (RK) is used to register and to get an activation code or serial number. The activation code will be used to activate your product, NOT the RK.

The RK will be sent to you via e-mail when you purchase your Trend Micro product. You will be prompted for the RK during product installation.

The RK consists of two letters, followed by four groups of four digits or 22 digits in all, including hyphens. It is not case-sensitive.

Example: PC-xxxx-xxxx-xxxx-xxxx

No. Your login ID is set during registration and cannot be subsequently changed.


Replace lost or forgotten passwords at the Online Registration System by doing the following:

  1. Click the Forgot your ID/Password link.
  2. Enter your login ID and the email address associated with the account during initial registration.

A new password will be sent to the email address.

Login ID

Contact Trend Micro Customer Service for assistance.

Lost or Stolen Activation Code (AC)

Contact Trend Micro immediately to report a lost or stolen AC. Trend Micro will invalidate the code and provide a replacement to the rightful licensee.

Forgotten Activation

If you have forgotten your AC, but have already registered with Trend Micro and set up an account, do the following to locate your AC:

  1. Log into the Online Registration System.
  2. Retrieve your Activation Code from your account information.

Otherwise, contact Trend Micro Customer Service.

Activation Codes are permanent for as long as customers have renewed their license and maintenance.

Activation Codes are associated with the customer’s license and maintenance period. The maintenance period is typically one year, but various time limits are possible.

Yes. Email notifications will be sent to registered customers at least 60 days prior to the maintenance expiration date. Renewing maintenance ensures continued access to Trend Micro Technical Support, as well as the latest product and security updates.

It is used for activating the trial versions of all Product Registration (PR)-enabled products. Upon registration of this key, a trial version Activation Code (AC) will be generated. PR-enabled products need an AC so that the update and scanning features will not be disabled.

This is different from Trend Micro legacy products, which automatically enable the 30-day trial period when no serial number (SN) is specified during installation.

If you have questions regarding your product evaluation or would like to purchase a product, contact Trend Micro Sales or a Trend Micro Reseller.

Keep Your Company Protected from Internet Threats
A Renewal is an extension of your existing maintenance contract for a period of 12 months or longer. The purchase of a Renewal is an entitlement to:
  • Product updates
  • Content security updates and/or service updates
  • Web or e-mail based technical support from Trend Micro or an authorized reseller
Renewing ensures protection against new malware, breaches, and other security risks. To renew your product or for further renewal information, select your location below:
Alternatively you can contact your reseller or visit our Partner Locator

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