Software Requirements

  • Windows Server 2012 or later is required for production. Windows 10/11 are also supported for development/test instances.

  • IIS 10 is required (with installed support for Management Tools)

  • SqlServer 2012 or higher is required. Express version of SQLServer are also supported (but not recommanded for production use). PostgreSQL 15 or later is also supported

  • Powershell (both Windows only version and PowershellCore are supported) is required for installation. Also you should enabled Powershell to run unsigned scripts (run "Set-ExecutionPolicy Unrestricted" in a Powershell prompt running as administrator) .

  • Microsoft VC++ 2013 x64 redistributable

  • Optional LibreOffice version is required for PDF file conversion.

Supported browsers

Bulksign supports any modern version of Edge, Firefox, Chrome, Opera, Brave, Vivaldi and Safari. IE 11 is not supported anymore.

Minimum hardware requirements

  • dual core 64 bit CPU
  • 4 GB of RAM
  • storage size depends on how many documents you send for signing. Install size for Bulksign is pretty small, around 250 Mb.


  • for production deployments a SSD is recommended for storage.
  • we are offering special licenses for load testing (contact us).