If you want to use a different My Kaspersky account, you can sign out of the current My Kaspersky account from the application interface and sign in to another My Kaspersky account.
In the lower-left corner of the main application window, click your email address.
In the dialog that opens, click Sign Out.
In the Are you sure you want to sign out of My Kaspersky? dialog, click Sign Out to confirm that you want to sign out of your current My Kaspersky account.
The Sign In to My Kaspersky window opens.
Enter the credentials of another My Kaspersky account and click Sign In.