How do I get rid of Trojan virus and make sure it stays away from my system?

Step 1: Download Free Antivirus like Comodo Antivirus

Step 2: Installation configuration frames will be displayed. Select the configuration you would like to apply

Step 3: Select Customize Configuration option and arrange installers, configuration, and file location.

Step 4: Once the Installation is Finished, restart your PC.

Step 5: After Installation, Run Quick scan.

Step 6: If threats are found upon completion of scanning, you will be prompted with an alert screen. Take appropriate action.

Step 7: The antivirus will clean all malware and virus files.