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    System Requirements

PA InheriTax Supported Operating Systems

Windows 8 and 8.1, Windows 10, Windows 11

The following is a summary of system requirements. For more complete
technical overview, see the following articles on our support site:

6-in-1 Standalone Supported Operating Systems

  • Windows 10 Enterprise and Professional Editions (64-bit only)
  • Windows 11 Enterprise and Professional Editions (64-bit only)
  • macOS 12 – 14

6-in-1 Network Supported Operating Systems – Client

  • Windows 8.1 Standard and Pro Editions (64-bit only)
  • Windows 10 Enterprise and Professional Editions (64-bit only)
  • Windows 11 Enterprise and Professional Editions (64-bit only)
  • macOS 12 – 14

6-in-1 Network Supported Operating Systems – Server

Windows Server 2019 or 2022 (Not Windows Essentials Server; see note)
macOS 12 – 14
4-Core CPU, 8 to 16GB RAM (depending on resources and load), 25GB SSD Hard-drive space allocated for 6-in-1 on top of base OS requirements

Please contact The Lackner Group to discuss your specific setup.

NOTE:   We do not support Windows 8, 8.1 or Windows 10 for FileMaker Server purposes. Windows Server Essentials is not supported by Claris/FileMaker, however we have found that it works, but renders Remote Access features unusable.  If you need to use remote services with the new server it will have to be on the Standard version instead of the Essentials in order to also support Lackner software.

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Looking for extras? Visit our Extras page for additional downloads.

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