When you download free games, try to know which company made it or distribute it. While this may require you some research, a reputable online game portal would make the task easier for you because they would do the research on your behalf. Once they have found out that the game is not a spotless one, they would decide against posting it on their website. They will not promote it or use it so that you will not download it into your PC.
Be very choosy when it comes to the online games portal from where people download free games. Note that there are many of them; some are honest sites while others cannot be considered as such. If the gaming site you stumbled into enjoys a good reputation among its visitors and the internet users in general, then you could almost be sure that it contains not just great online games but acceptable security policies that could help you protect yourself from undue spyware penetration.
Enjoy cool offline or online games with peace of mind. Download free games only from good websites. This way, you play all you want without having to think of the bad implications or risking yourself and your computer identity over the worldwide web. This will help in maintaining your privacy as well.
Find an online gaming site that you can trust. You may even contact the webmaster of that site of you are not so sure about something. The intention is not for you to stop download free games. The main message here is for you to be picking from where you get them. And this is a very useful advice seeing the cases that are in the front, so do not be victim of any of the fraudulent activities and take care of you in this world. GOODLUCK!!!