Download Installation Prerequisites: An X.509 digital certificate (DSC Token/PFX) Windows 7 or later (including Windows 11 and Windows Server 2022), Windows Server 2012/16 (32/64 bit) Microsoft .NET Framework 4.0(Get Installed with Neosigner) Download *NeoSigner will always be installed with the latest version exclusively. Versions Features 1.0 1.The “Sign and Protect” feature has been integrated into a single add-on for signing password-protected files.2.Focus on making customer experience better.