Here are some steps to consider when using peer-to-peer (P2P) file sharing programs:

1. Research the P2P programs you plan to use. Ensure the software you use is trustworthy.
2. Verify the source of files and always trust sites you know and trust.
3. Select settings that are appropriate for your security needs.
4. Backup files regularly in the event that a virus infects the ones on your computer.
5. Update your security and anti-virus software.
6. Understand the ways in which you may be held legally responsible for downloading certain files.