1. 공식 홈페이지 방문
https://www.jetbrains.com/ko-kr/lp/dotnet-unity/
Rider. Cross-platform С# Editor for Unity
JetBrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including IntelliJ IDEA – the leading Java IDE, and the Kotlin programming language.
www.jetbrains.com
2. '다운로드' 클릭
3. JetBrains.Rider-2022.1.1.exe 실행