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Maximum Security Support

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Trend Micro™ Maximum Security provides comprehensive multi-device protection so you can enjoy your digital life safely.

For your unexpired license, download and install for free!
Top Technical Topics
How do I upgrade Maximum Security to the latest version?
Learn how to upgrade your Maximum Security without uninstalling the previous version.
What is Ransomware?
Know what is Ransomware and how you can prevent it from your computer.
Does Maximum Security support Microsoft Edge?
Check out these FAQs about Trend Micro Security compatibility to Windows 10.
Does my computer meet the system requirements?
Check the system requirements needed to install Maximum Security.
What other anti-malware tools can I use?
Try our free anti-malware tools for Home Users.
Accounts, Order and Billing
FAQs about your online purchase
Commonly asked questions about your online purchases.
Where can I check my order status?
Log in to view your order details.
“Too Many Installations” message appears when I activate my Premium Security 10.
Know what to do when you receive this error message when activating your Trend Micro Security.
How do I change my serial number?
Learn how to change your serial number.
How do I activate my new serial number?
Know how to activate your Trend Micro Security using a new serial number.
Where can I find my serial number?
Know where to get your Trend Micro Security serial number.
Upgrading to the Latest Version
Download the installer file and open it.
Get the installer here: Full Installer.
Wait as the installer unpacks and installs the program.
This may take a couple of minutes.
When its done, it will ask for you to restart the computer.
Restart and once you are back it will continue where it left off.
The License agreement window appears.
After reading, click Agree and Install to proceed.
Upgrade complete.
You now have the latest version installed. We recommend that you run an initial scan.
For more detailed steps on upgrading,  Click Here  
Accounts and Purchases
Accounts and Subscription
View and manage your account and subscriptions
Log in to view and/or remove devices under your Trend Micro Account.
Manage account information
See how to update your Account details.
Subscription not extended after renewal
Check if you have the right serial number in place.
Updating billing information
Know how to update your existing billing information.
Purchases and Renewal
Download Protection Service & Backup CD
Learn how these purchases work.
Know how Auto-Renew works.
Cash Back (ANZ)
Learn more about this promo.
Online Purchase
Check this article about purchasing through the online store.
Returning a product
Know how to refund online or retail purchases.


Virus and Threat Help
Virus and Threat Removal
I am getting unwanted popup messages
Learn how to remove popup messages or advertisement from your computer.
I am being redirected to other websites
Know how to fix website redirection issues.
My programs are suddenly not working
Feel your program is not working? Try these simple steps.
I feel like my program is not able to detect threats
Know what to do if Trend Micro Security is unable to remove/delete the detected threats.
Free Cleanup Tools
Free online virus scan.
Rootkit Buster
Perform system forensic scans to clean complex malware infection such as Zbot & Cryptolocker.
Anti-Threat Toolkit
Scan hidden files, registry entries, processes, drivers, services, ports, and master boot record (MBR) to identify and remove rootkits.
Rescue Disk
Allows you to use a hard disk, CD, DVD, or USB drive to examine your computer without launching your Windows operating system.
PC Recovery After Virus Infection
Resetting web browsers
Reset your browser settings to resolve website redirection and performance issues.
Restoring your Windows PC to a previous state after infection
Find out how to perform a Windows Restore.
Restoring encrypted files after Cryptolocker Ransomware infection
Find out how to restore files using backup, Shadow Copy or System Restore.
Restoring Windows PC to its factory settings after infection
Find out how to restore the factory settings of your PC.
Errors and Troubleshooting
Basic Troubleshooting

For common issues, you can try the following:

Make sure there are no conflicting programs such as third-party antivirus
List of conflicting programs and how to remove them
Check and get the latest Windows update
How do I run a Windows update?
Run a full scan to detect & remove threats
Running a full system scan
Upgrade to the Latest Version
Upgrade Maximum Security to the Latest Version
TIP: For connectivity, software or hardware issues, you can try to disable your Trend Micro software temporarily to see if it's causing the issue. Contact the manufacturer if the same issue persists after disabling your Trend Micro program.




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Windows 10 | Reinstall | Upgrade | Full Installer