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Spire Requirements

Updated Apr 18 2023

Please check your computers prior to installation of Spire.
There is no leeway on the following:

  • Windows 7 and 8 are NOT supported (requires Windows 8.1 Pro and up; Windows 10 Pro or 11 Pro is preferred)
  • requires Windows Pro edition (Home edition is not supported and may cause issues, and will not receive any support from Spire)
  • Windows Server 2008 and 2012 are no longer supported (requires Windows Server 2012 R2 and up)
  • requires 64-bit computers
  • requires Microsoft Edge or Google Chrome browser on the Server

Please take particular note if you are at the lower end of the requirements, or only meet the minimum requirements. It is probable that your hardware and/or Windows version may no longer be supported in the near future.

Please also see the Spire website for the latest specs:  https://www.spiresystems.com/requirements/

Microsoft's support of Windows Server 2012 R2 support will end Oct 10, 2023.

Location of the Spire database: The Spire database MUST be located in the default location of  C:\ProgramData\Spire\...  of the server. Locating it elsewhere can lead to technical problems, an inability to successfully install Spire Server, and problems upgrading later (even a minor upgrade).
Remote Access to Spire
  • Accessing Spire via a VPN (or not), or in any way over the internet is NOT recommended. Internet connections are too slow and there is a high probability of data loss.
  • Spire must be accessed remotely using some sort of remote access tool, such as RDS/RDP, Teamviewer, LogMeIn, etc.


NOTE re modern CPUs  (last update of this notice was Apr 18 2023)

There are reported issues installing and running Spire Server and Postgres on Windows Server 2019 when the computer is running an 11th or 12th Generation Intel processor. These issues also apply to Windows 10 and Windows 11, as well as other Windows Server OS's. The main issue appears to be the 11th/12th Generation Intel processor specifically related to the actual installation and configuration of Postgres, and possibly subsequent issues actually running Spire.

These issues are resolved in v3.10 of Spire.



Server software

  • Windows Server 2022, 2019, 2016, 2012 R2 (NOT 2012).
  • Windows 11, 10, 8.1 Pro editions only (NOT Home editions) (only up to about 5-10 users).
  • 64-bit operating system is required

Server hardware

Minimum Recommended
2.4 Ghz quad core CPU i7 or 2.8 Ghz Xeon
8 GB RAM (this is a bare minimum and is NOT recommended) 16 GB RAM or more
display with native resolution of 1024x768 or greater same
512 MB HD space for Spire Server and PostgreSQL installation same, more is better
5 GB of available disk space for databases SSD drives are strongly recommended
100mb LAN IPv4 1 Gb LAN (Gigabit), wired
Please do not run it across a Wireless WiFi network connection



Desktop software

  • Windows 11, 10, 8.1 (Pro editions only, NOT Home editions; NOT Windows 7 or Windows 8.0).
  • Windows Server 2022, 2019, 2016, 2012 R2 (NOT 2012).
  • 64-bit operating system is required

Desktop hardware

Minimum Recommended
i5, 2.4 Ghz quad core CPU i5 or 3.06 Ghz, i7 is better
display with native resolution of 1366x768 or greater
(multiple displays and high DPI displays are supported)
100mb LAN IPv4 1 Gb LAN (Gigabit), wired
Please do not run it across a Wireless WiFi network connection
  SSD drives are strongly recommended



  • Windows Server 2012 R2 WILL be dropped from the supported Windows versions soon
  • Windows 8.1 will be dropped from the supported Windows versions soon
  • Windows User Folder Redirection is not supported and will cause problems.
  • All Windows Updates should be current
  • Upgrading a computer from Windows 7 to Windows 10 can sometimes leads to issues with running Spire, in particular with various drivers and OpenGL.
  • Please be sure various drivers used by Windows are up to date - run Windows Update prior to installing or upgrading (graphics, printers, etc)
  • If on a peer-to-peer based network the computers must be set as Private type of network, not Public.


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