Note: Castr has not provide direct integration in vMix at this point. So the best way to connect these programs is by using the Custom RTMP Server option.
Step 1: Open your vMix. Download the latest version here
Step 2: Select the Stream settings
Step 3: In the Destination section, select Castr. Enter your username and password to login and this will automatically show all your streams under Channel. The password from can be fetched from here.
If you don't have a Castr account, follow step 4.
Step 4: Log in to your Castr account. If you don’t have an account, create a new one here.
Step 5: Click on the Gear icon from the Quality field. Make sure you have your Strict CBR and Keyframe Aligned checked in your setting
Step 6: Click Save and Close.
All set! Now you’re connected to vMix. You’ll see the preview in your Castr dashboard.
Note: If the preview doesn’t show up, click the Stream button again to start streaming.
Next step: