Frequently asked questions

It protects access to your Windows session while you are away from the computer: keyboard and mouse are intercepted and the screen enters the mode you chose. It does not scan your files and replaces neither an antivirus nor a VPN.

Yes. ScreenShield21 is a Windows desktop application and needs Windows 10 or 11, up to date.

No. The password alone is enough to use ScreenShield21. The Companion adds a trusted device and a remote controller if you want them.

The installed Companion becomes a permanent trusted device after approval on the PC. The Web flow opens by QR without installation; its duration is selected on the PC, state may be retained, and closing the page does not revoke access.

Protection and local authentication run on the PC, according to available methods and the required level. The native Companion can use the LAN; the Web Companion and licence synchronization require Internet.

The password remains offered as a fallback method. A security key or recovery medium must be registered, valid, and present to be used; the proofs must satisfy the required level.

Prepare a USB key, SSD, or external drive. Its registration persists. Valid media present makes Recovery available; removal makes it unavailable, and reinsertion restores availability. You must choose the method and the PC must validate the proof: insertion never unlocks automatically.

Monthly renews automatically and may be cancelled at any time without fees while service continues through the paid period. The 1-, 2-, and 3-year plans do not renew automatically: a new purchase is required at expiry.

Prices are in Canadian dollars. The price covers the selected term and the monthly equivalent is not charged separately. The final amount is displayed by Stripe Checkout before confirmation.

The approved policy allows a voluntary refund request within 14 days of the initial purchase, or within 7 days of an accidental automatic renewal. After those periods, there is no automatic prorated refund. This policy does not replace applicable statutory rights; billing errors and approved exceptions remain considered.

No. Biometrics stay on the phone. ScreenShield21 receives an identity confirmation, never your fingerprint or your face.

Create your account, choose a plan, then follow the availability shown on the Checkout page. Payment details are entered on Stripe only when sales are open.

No. iOS remains deferred and is not announced for V1.