Games purchased legally will not give you a virus. Unless you download a "patch" or update or content from a suspicious source. Games downloaded illegally may or may not give you a virus. Luck of the...
There are two basic ways that anyone can do for free.1. If possible, try Installing a reputable anti-virus program like Avira, Avast, or Clamwin.2. If this is not possible, run a reputable on-line...