Downloading the "emSigner Utility" is necessary before Registration of DSC. Follow the below steps to download the emsigner utility: -

Step 1: Go to the income tax e-filing portal at www.incometax.gov.in.

Step 2: Click on the ‘Downloads’ tab from the top.

Step 3: Click on the ‘DSC Management Utility’ in the left pane.

Step 4. Click on the link "Utility ( eMBridge )

Step 5: The utility will start downloading. After the download is complete, install it.