OBS uses a system of (containers) and Sources (the actual content).
: 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
After installing, follow these steps to optimize the software for your hardware: OBS uses a system of (containers) and Sources
: Upon first launch, OBS will offer to run a wizard. Select whether you want to optimize for Streaming or Recording . 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
: Set keyboard shortcuts in Settings > Hotkeys to start and stop recordings without tab-switching.