Well First thing I would suggest is using Open Bullet Anomaly, just google it you'll find the github link. From there you need Proxies, I highly suggest just using Proxyscrape free proxies, unless you are willing to pay for proxies. If you are willing to pay then there are plenty of sellers on here. Now you need a combo (List of user:pass/email:pass) Your best bet is to buy cloud access or buy private from someone. Knackt is a really good cloud and a lot of people highly suggest them. Then lastly you need a config for what you want to check. You could also try the free way and google like (Streaming combo pastebin) or some shit like that. You can either pay someone for a config or google one for example (Hulu Open Bullet config anonfiles) or some shit like that. If you buy premium, Infinity, or Supreme you can gain access to the pentesting area which has access to tools, combos, proxies, and configs for free. If you do decide to go the free route for the config then look at it in a text editor and make sure it has no hit stealers in it. Once you have all of these you can then open up Open Bullet add your combo's to the wordlist add your proxies to the proxies and put your config into your openbullet config folder. Then Click new add the appropriate things to it, make sure proxies are on and run it. Obviously a youtube video may be a little more helpful and easy to understand but these should get you started. Goodluck man
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I will always verify via cracked.to pm, don't get scammed