Install your endpoint protection.
Download FSI Defence Security for a compatible Windows device and connect it to your customer account after activation.
FSI Defence Security
The FSI Defence Security endpoint application is designed to connect compatible Windows devices with your customer security account.
Already have an activated account? Sign in to access your account and device activation information.
Sign in to your account →Get protected in a few steps.
Once your account and subscription are ready, the installation process is designed to be simple.
Create Your Account
Create your FSI Defence Security customer account and select a protection plan.
Complete Your Purchase
Complete the applicable checkout and subscription process for your selected plan.
Download the Application
Download the FSI Defence Security application for your compatible Windows device.
Activate Your Device
Use your account and activation information to connect the device with your subscription.
Check compatibility first.
FSI Defence Security is currently designed for compatible Windows devices. Compatibility can depend on the Windows version, system configuration and supported endpoint components.
Need installation help?
Our support team can assist with product, account and installation-related questions.
Contact Technical Support →Choose your protection plan first.
Create your account, select a plan and continue through the secure purchase process.