1 - Download the TSplus installer Setup-TSplus.exe, make sure that your firewall allow download from these two domains :
dl-files.com
2 - Execute Setup-TSplus.exe and select 'only download setup' ,
3 - The module will download the offline setup locally, and then will display the offline setup file in an Explorer,
4 - Now you can copy the offline setup file to removable media and transfer it to servers that do not have access to the Internet.