Do you understand what OEM means? That is software to be installed on new systems. I can only find one page for a USA site. Is that the one? I cannot find an address or telephone number. What happens if there is a snag?
I wouldn't buy from them. If it seems too good to be true then it usually is.
according to ClickHere vapidsoftware.com "receives 608 unique visitors per day, is worth $328 USD and generates $2 USD of income daily. It is given a rating of 27 out of 100, due to its low performance.. According to its IP address ... the server is hosted in Russian Federation..."