Stuck on a Trend Micro activation step, or not sure what to do next? Tell us what you see, and we’ll point you the right way. Most setup questions have a simple answer, and this page helps you find it fast.
Many problems are solved in a minute or two. Pick the one that matches yours:
Not sure how to start: read our Trendmicro.com/activate steps on the Home page.
Serial number not working: go to “Activation Not Working? Try These Tips” on the Home page.
Can’t find your serial number: go to “Where Do I Find My Serial Number?” on the Home page.
If your answer isn’t there, send us a message below.
We offer simple, step-by-step guidance for:
Understanding the Trendmicro.com/activate steps
Finding and entering your serial number correctly
Signing in or creating your Trend Micro account
Installing the app on Windows, Mac, Android or iPhone
Making sense of common activation messages and errors
We explain things in plain words, so you can follow along at your own pace.
Send us a message. Tell us what you’re trying to do and what you see on your screen.
We reply with guidance. We’ll explain the next steps, or ask a question if we need more detail.
You decide. If a paid option applies to your situation, we’ll tell you what it includes and the price before you agree to anything. There are no surprise charges.
A few details help us answer faster:
Your device (Windows, Mac, Android or iPhone)
What you were doing when the problem appeared
The exact message on the screen, if there is one
Where you bought Trend Micro (a card, an email or a store account)
Please don’t type your serial number, password or card details in your message.
To keep you safe, we will never ask for:
Your Trend Micro account password
Your serial number
Your card number or bank details
Remote access to your computer
We can’t see or change your Trend Micro account, orders or subscriptions. For billing, refunds or lost serial numbers, please use Trend Micro’s own website or the store where you bought it.
Do I have to pay to ask a question?
Sending a message to ask a question doesn’t cost anything. If a paid option ever applies, we’ll tell you the details first.
Can you see my Trend Micro account or serial number?
No. We can’t see or change your account, and we will never ask for your password or serial number.
Can you replace a lost serial number?
No. For lost numbers and purchase problems, contact the store where you bought it or Trend Micro through their own website.
How fast will I get a reply?
Usually within one or two working days.
Is this the Trend Micro website?
No. This is an independent guide website.