OBS looks complicated the first time you open it. It isn't. Here's the exact setup process, step by step, so you can go live today.
OBS Studio (that stands for Open Broadcaster Software) is the program most streamers use to capture their game, their face cam, and their mic, and send all of it out to Twitch or YouTube. It's completely free, it works on Windows, Mac, and Linux, and honestly, most of it you'll never even need to touch. But that first-time setup screen full of boxes and sliders can be intimidating. Let's fix that.
Go to obsproject.com and download the version for your operating system. It's a normal install — just click next a few times like any other program. That's it. No account needed, no credit card, nothing to sign up for. Once it's installed, open it up and you'll probably see a popup asking about "Auto-Configuration." Say yes to that one — it does a lot of the hard work for you.
If OBS didn't already prompt you, find it under Tools → Auto-Configuration Wizard. Tell it whether you're recording, streaming, or both, and it will test your computer and pick a resolution and bitrate that should run smoothly. This alone solves most of what people get stuck on.
Down in the "Sources" box, click the plus sign and choose "Display Capture" (shows your whole screen) or "Game Capture" (grabs just the game, which usually runs a bit smoother). This is what actually shows up on your stream — without a source added, your viewers just see black.
Click the plus sign again and pick "Video Capture Device." Choose your webcam from the list, then drag the corner of the box to resize it and drop it wherever you want your face cam to sit — bottom corner is the classic spot.
Look at the "Audio Mixer" panel at the bottom. You should see a bar for your Mic and one for your Desktop Audio. Talk into your mic — if the bar moves, it's working. If it's dead silent, click the gear icon next to it and check you picked the right microphone in the dropdown.
Go to Settings → Stream, pick Twitch or YouTube from the service list, and either log in or paste in your stream key from your account's dashboard. This is the last step — once this is filled in, the "Start Streaming" button actually works.
Forgetting to select the right microphone, so the stream goes out completely silent. Always do a quick 10-second test recording before your first real stream and actually watch it back with sound on.
You do not need perfect settings on day one. Default resolution and the Auto-Configuration Wizard's suggestions are good enough to start. You can always come back and tweak bitrate, scenes, and overlays once you're comfortable — most streamers change their setup constantly as they go.
Do one full test stream before you tell anyone to watch. Set it to "unlisted" or just stream to an empty room for ten minutes. Talk the whole time like someone's actually watching. Check that your audio, video, and webcam all showed up the way you expected. Fixing an awkward mic placement or a game that's not capturing properly is a lot less stressful when nobody's there watching it happen.
Once that test goes smoothly, you're genuinely ready. The setup is the boring part — the good news is you only really have to do it once. If your test stream stutters or drops frames, don't panic — our OBS lag fixing guide walks through every fix in order. And when you're ready to make it look sharp, grab some free overlays.
Completely. It's open-source software maintained by volunteers and sponsors. There's no premium version, no trial, no catch. Anyone charging you for OBS is scamming you.
Streamlabs is OBS with a friendlier skin and built-in themes, but it's heavier on your computer. If your PC is mid-range or better, either works. On an older machine, stick with regular OBS.
OBS runs on computers only. For mobile streaming, see our guide on how to stream on Twitch with just your phone.
Setup is done. Next, let's talk about actually growing an audience from zero.
Read the Growth Guide →