Discontinued support for some legacy Windows operating systems

Dear colleagues!

Starting from January 1, 2022, Sirena-Travel JSC will no longer support some outdated and discontinued Windows operating systems in its products. We kindly ask you to update the operating systems of the workplaces on which the client applications / terminals of Sirena-Travel GDS, Leonardo inventory system, DCS Astra, Loyalty loyalty management system are installed to Windows 7 / Windows Server 2008 R2 or higher.

The hierarchy of Windows operating system versions is shown in the table: https://docs.microsoft.com/en-us/windows/win32/sysinfo/operating-system-version

Sincerely,

Sirena-Travel JSC

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