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How to use KSC license with older Mac operating system.


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I have a familiy license for KSC but one of my macs runs on an older OS that only support Total Internet Security 2018. I tried to transfer the license to that laptop and enter it manually but both does not work. How can use this KSC license with older software?





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Hello   @stephan1827,


What is the “older” MacOs version & build? 

When you say “both does not work”, can you tell me more detail please, are there errors, or ? 

Please let me know?

Thank you

  • System requirements for Kaspersky Security Cloud 20 for Mac, Latest update: October 21, 2019

General requirements
1 GB of RAM
400 MB of available disk space for loading the application.
900 MB of available disk space for installing the application.
Internet connection
Operating systems
macOS 10.12 (Sierra)
macOS 10.13 (High Sierra)
macOS 10.14 (Mojave)
macOS 10.15 (Catalina)

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Hello Stephan,

  1. Your link & my link are identical.
  2. KIS18 is currently installed with license that has 30 days before the license expires?  Is that correct?
  3. Error has occured, bc, there is the msg: “Ein Update is verfugbar/An update is available”, & when you tried to update, it failed? Is that correct? 
  4. Just FYI: Kaspersky Security Cloud “License” installs Kaspersky Internet Security AV engine/software.

Please let me know?

Thank you


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Hello Stephan, 

I see 2 issues:

1. Trying to apply a license when there’s already an existing license.
2. Unable to apply a KIS update… 

(imo) the solution to 1) would be to let the 30day license run & expire, then apply/activate the new license, issue 2 may resolve as a consequence. 

Or, raise a case with Kaspersky Technical Support, ask them for assistance? 

Just FYI: I’ve been able to find a different KIS18 installer, however, language version is not available… 

Let me know, I’m more than happy to continue helping?

Thank you.

How to activate Kaspersky Security Cloud 20 for Mac:

Kaspersky Security Cloud for Mac is activated through My Kaspersky. 


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