There are websites that sell OBS for money

[moto4OBS]

those websites are on the first page of bing and baidu search results

OBSStudio 官方中文版 软件下载

OBSStudio 官方中文版 软件下载

third.bangtengxinxi.com

OBSStudio 官方中文版 软件下载

OBSStudio 官方中文版 软件下载

softs.yunibn.com

 

[Banyarola]

Well, people should do some research before they act on OBS which is commonly known to be free software.
As the old saying goes.. 'Caveat Emptor'