First We have to Create deployment package , For Your Reference Please find below screen shot.
Select the packages or modals in which your customization's are done .
and and give the package file location where you want to save it and click on create.
It will create a deployment package on desired location.
Now login to LCS and go for Asset library in hamburger menu Like shown in figure.
and in software deployable package click on add and add here the deployment package which you have created earlier.
after that Open TEST environment and click on maintain Tab and click on apply tab
After that select the package that you added in Software deployable packages in asset library and click on Apply ,
after that system will take 30 to 60 min , if you faced any problem in process of deployment please download the log file that is generated and check for the error in customization's
Regards,
Venkatesh
