Frequently Asked Questions

Check out the commonly asked questions about your subscription:

Getting “Too Many Installations” error
Check how to replace seats to resolve this error.
Managing devices under your account
Learn how to view and/or remove devices under your Trend Micro Account.
Changing the serial number
See how to replace the serial number from your currently installed program.
Manage account information
See how to update your Account details.
Subscription not extended after renewal
Checking if you have the right serial number in place.
Updating your billing information
How to update your existing billing information.
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