This is just one simply way to convert video to gif easily.
1) Use your favorite video editing tool or just use Microsoft Clipchamp to make a small clip. (less than 15 seconds)
2) Open Microsoft Clipchamp. *note this is a native Windows 11 app. If you are on windows 10 you can download it for free on Microsoft store or you can use the web based version located here. https://clipchamp.com/en/ You will need a Microsoft account.
3) Follow the video