Open Kaspersky Security Cloud for Windows and go to the Protection for all devices section.
Open your account on the My Kaspersky website and go to Downloads, choose the product, and then tap Download.
The QR code is created by My Kaspersky services and includes important parameters for your authentication. Do not send your QR code to anyone, because it may result in data leakage.
To install and sign in to your My Kaspersky account:
Open your camera or another similar app, and then position your mobile device so that the QR code is fully on the device screen.
After the QR code is scanned, you will be redirected to the App Store where you can download the app.
Start Kaspersky Security Cloud.
If you want to be signed in to your My Kaspersky account automatically (via the My Kaspersky account for which you generated the QR code), tap Quick Sign In.
If you want to enter your credentials manually, tap Sign In Manually.
After you sign in to your My Kaspersky account, you can start using the app.