diff --git a/README.md b/README.md
index 1bfd366..e0a0230 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Assume we only have a card's image.
 
 # Setup
 - Install Unity Hub.
+- Install Unity compatible IDE. Max uses Rider.
 - In Unity Hub installs tab, install Unity 6.
 - Clone the repository.
 - In Unity Hub projects tab, click add project from disk and select the "WizardDuelsProject" folder in the "WizardDuels".