I want flash btc software with working

I am reena singh , I am forex broker I am looking flash btc software with working , I have try many seller in fiverr, fb marketplace , and up work also. I have scam more then 3 time.. seller always giving me fake software . I need genuine and working software , I am looking seller who give me test first then I can make payment. Because here many scammer , I am totally scared , if you are honest if you give me first , plz message me I am looking for long-term work