GST portal www.gst.gov.in enables dealers to register them selves with the GST Portal and comply with various filings under the GST laws. This article with help you to understand the system requirement that should be installed on your computer before starting the GST filings which are listed as under: EM Signer Link https://tutorial.gst.gov.in/installers/dscemSigner/emsigner-2.6.msi Important Notes: GST Portal works with Chrome 49+ and FireFox 45 +, however it is recommended to use Internet Explorer 10 & above for Windows 7 operating system and Microsoft Edge for Windows 10 operating System. Any one of these ports should be free : 1585, 2095, 2568, 2868, 4587. EM Signer should be installed . Refer article ‘GST System Requirement‘ article no.3 ‘ Downloading and Installing the web socket installer’