You can find help on their site, but to save you time, when using OBS Studio for the first time, click + in the Sources area and then select Display capture. OBS comes with live streaming capabilities that you won't find in native programs of major operating systems, in addition to screencast options. You can control the program via customizable hotkeys and use the built-in audio mixer to create excellent quality videos. However, it can also be used to film what is happening on your Windows desktop. However, it is primarily aimed at those who want to stream on YouTube or Twitch.

Program that you can trust with over 8 years of active development.OBS Studio is open source software that is not really intended for beginners.

Unlimited customisable workflows with hotkey specific settings.

Contains tools like a screen color picker, an image editor, a ruler, a DNS changer, a QR code generator, a directory indexer and more.Also supports many URL shortening and sharing services. Supports over 50 different image, text, and file hosting services such as Imgur, FTP, Dropbox, Pastebin etc.Upload any files using configurable hotkeys, clipboard upload, drag & drop or from the Windows Explorer context menu.Customizable after capture tasks such as annotating, adding effects, watermarking, uploading, printing and other actions.Various methods of capturing screenshots including full screen, window, monitor, region, freehand, scrolling, and more.Advanced screenshot capture, screen recorder, file sharing and productivity tool.Free, open source, lightweight and free from advertisements!.

ShareX is an open source program that lets you take screenshots or screencasts of any selected area with a single key, save them in your clipboard, hard disk or instantly upload them to over 30 different file hosting services.

Sharex for windows