The Hardware Requirement
The hardware requirements for running Kaspersky include Processor that supports the SSE2 instruction set. Most Intel and AMD processors are capable to run Kaspersky. However, for some processors, such as Microsoft SQ1 that was used in Microsoft Surface Pro X, does not support SSE2 instruction set. So it cannot run Kaspersky. Users of these kind of computers should consider to use other Anti-Virus product such as Microsoft Defender that comes with Windows 10
MacOS10.15.4 or Later Shows Legacy System Extension Alert against old Version of Kaspersky macOS 10.15.4 or later version will alert Legacy System Extension issue i.e. incompatibility on previous version of Kaspersky Endpoint Security (as captured below). Kaspersky Endpoint Security for Mac Version 22.214.171.1243 can fix this issue. If you have installed previous version of Kaspersky Endpoint Security, please follow the user guide of Kaspersky Endpoint Security for Mac (Version 126.96.36.1993, English) to upgrade your Kaspersky Endpoint Security software.