It is recommended to have both an antivirus and anti-malware software installed on your device. Here is a list of steps you should take:

1. Install an antivirus program from a trusted source.
2. Ensure that the antivirus's real-time protection is enabled.
3. Install an anti-malware program from a trusted source.
4. Ensure that the anti-malware's real-time protection is enabled.
5. Schedule regular scans of your device with both your antivirus and anti-malware.
6. Backup your data regularly.