I installed all toolboxes i need in matlab but i still cann't use and it gives me answer =0 when i check

it shows below

i need neural network toolboxes and i installed it

this is the error and when we check isnt avaliable

A Add-On Manager Get Add-Ons Import Installed (17) Name Type Author Install Date AlexNe Neural Network Toolbox Model for AlexNet Network version 17.2.0 A Feature 13 November 2017 Toolbox Masayuki Tanaka 13 November 2017 Deep Neural Network version 1.19 Symbolic Math Toolbox version 8.0 (6 days remaining on trial) Statistics and Machine Learning Toolbox version 11.2 (6 days remaining on trial) rial MathWorks Toolbox 13 November 2017 Trial Mathworks Toolbox 13 November 2017 Trial Neural Network Toolbox version 11.0 (6 days remaining on trial) Mathworks Toolbox 13 November 2017 A Add-On Manager Get Add-Ons Import Installed (17) Name Type Author Install Date AlexNe Neural Network Toolbox Model for AlexNet Network version 17.2.0 A Feature 13 November 2017 Toolbox Masayuki Tanaka 13 November 2017 Deep Neural Network version 1.19 Symbolic Math Toolbox version 8.0 (6 days remaining on trial) Statistics and Machine Learning Toolbox version 11.2 (6 days remaining on trial) rial MathWorks Toolbox 13 November 2017 Trial Mathworks Toolbox 13 November 2017 Trial Neural Network Toolbox version 11.0 (6 days remaining on trial) Mathworks Toolbox 13 November 2017