Who can give me a professional supporter who can install  the plugin "Enigma" easily?

I have the following e-mail server:

Windows.7 64BIT
HMS: 5.4 - Build 1950
Apache: 2.4.6 VC11
PHP: 5.5.5 TS VC11
codemirror_ui: 1.0.2
Roundcube: 0.9.5
MyRoundCube Plugin Manager: 01/21/19 + various plugins

Mail server: https://mail.vvm24.net
E-mail: oliver.vrchoticky @ vvm24.de

For your feedback thank you so much!