Obs-studio-windows-7-8-10-11

: Monitor your levels in the bottom-middle panel. Ensure your microphone isn't "peaking" into the red zone.

: Generally supported, though you should check the latest System Requirements as official support for older OS versions eventually phases out. obs-studio-windows-7-8-10-11

The version of OBS you need depends on your Windows operating system. : Monitor your levels in the bottom-middle panel

OBS uses a system of (containers) and Sources (the actual content). obs-studio-windows-7-8-10-11

For further advanced configuration, you can refer to the OBS Superuser Guidebook or the OBS Reference Manual. GPU Selection Guide - OBS Studio