The article contains the detailed information on activation codes for Kaspersky Internet Security 18 for Mac, but it does not include the codes themselves.
To buy the activation code, use the online store or find the offline store of retail partners.
To renew the expired license, use the Renewal and Upgrade Center. See this article for more information.
Activation code, license, license key
Activation code
An activation code is an array of 4 blocks of characters you need to activate the application.
Each block consists of 5 characters which can be a combination of letters and numbers, which comes to a total of 20 characters: ХХХХХ-ХХХХХ-ХХХХХ-ХХХХХ.
Activation codes for Kaspersky Internet Security 18 for Mac are not compatible with other Kaspersky Lab applications.
How to find the activation code
If you bought the application:
- offline in a box: the activation code is in the User Guide or on the box.
- online: the activation code is sent to your email address.
License key
A license key is a unique combination of letters and numbers, which comes to a total of 32 characters. The key is displayed in the licensing window after you activate the application.
You may need this key:
- To get technical support.
- To renew the license at a discount. See this article for more information.
How to find the license key
To find the license key, click 
in the lower-right corner of the application window.
License
A license is a right to use the application given you according to the terms of the License Agreement.
The license allows you to:
- Use all the features of the application on one or more devices.
- Contact Kaspersky Lab Technical Support.
- Receive updates.
Reserve activation code
You can add a new activation code along with your current code.
Once your license expires, a new activation code will be automatically activated with no disruption of your security. See the guide on adding a reserve code in this article.
Activation code validity period
The license will begin to expire on the day it was first activated. The license validity period is calculated since the first activation (once the activation code related to the license is activated on one of the computers).
The activation code which has never been used for activation has no expiration date.
What happens when the activation code expires
License expiration
Kaspersky Internet Security 18 for Mac will continue working in full, but its databases will not be updated. The application will continue to disinfect infected objects and filter spam with the databases which were downloaded on the last day of your activation code validity. It will not be able to protect you against new threats. Renew the application to avoid security issues. For the renewal guide, see article.
Trial license expiration
The application stops functioning: protection will be disabled and the databases will not be updated.
To continue using the application, activate it with the activation code. See the activation guide in this article.
How to know the license expiration date
- Open Kaspersky Internet Security 18 for Mac. For the guide on opening the application window, see this article.
- Click .
The window with the following information will open:
- License status
- License key
- License term information
How to restore the activation code
If the activation code was lost or if it has expired too early, submit a request to Kaspersky Lab Technical Support via the My Kaspersky portal. In your request, please give us the following information:
- Date and approximate time the license was activated.
- License key.
It is impossible to restore an activation code without a license key.
- Screenshot of the Licensing window. If you are not sure how to take a screenshot, see this guide.
- Copies of the documents that prove the purchase (scans or photographs), if retained.
Refund
Refund is only possible with the resolution of the Technical Support.
Activating Kaspersky Internet Security 18 for Mac with the code for other Kaspersky Lab applications
You can activate Kaspersky Internet Security 18 for Mac with the activation codes for the following applications:
- Kaspersky Internet Security for Mac
- Kaspersky Internet Security Multi-Device
- Kaspersky Total Security Multi-Device
- Kaspersky Small Office Security
Source : Official Kaspersky Brand
Editor by : BEST Antivirus KBS Team