Technically, it is not entirely safe to watch porn on computer, only if the contents were derived from a reliable source such as: Xvideos or XHamster. For most free porn videos, payment is always made, but not necessarily in form of money. There is nothing free in life.
If you are watching a porn DVD on your computer, there is not much damage that can occur to your computer, the only thing that you would be risking is over heating, if it is placed on a bed or pillow. That’s all, no damage can come from that.
Downloading contents online is related to downloading a movie. There is always that potential of you getting defrauded of your credit card details. Most people are always scared to provide their credit card details online, and I would also advice them to exercise extra caution. After the introduction of PayPal, which helped bring more confidence in people doing online transactions. However, this is not the major source of concern. The major source of concern should be downloading porn from sites such as 3Movs, Porntrex without getting your computer infected with a virus or malware.
Most times, if you are getting the porn for free, especially downloading or streaming, those contents could have malware, keyloggers, malicious code or ransom ware. Downloading from torrent sites ought to raise caution. Even if you download from reputable sites, there is always that possibility of getting a virus. So if you want to download porn without getting a virus, I would advice you to take these steps:
Take these steps and chances of getting a virus on your computer would be reduced drastically.