diff --git a/run.bat b/run.bat
index 919a898..d06dd1a 100644
--- a/run.bat
+++ b/run.bat
@@ -1,6 +1,22 @@
 @echo off
 setlocal enabledelayedexpansion
 
+IF EXIST "output" (
+    echo Folder "output" exists. Deleting...
+    rmdir /s /q "output"
+    echo Folder "output" has been deleted.
+) ELSE (
+    echo Folder "output" does not exist.
+)
+
+IF EXIST "downloads" (
+    echo Folder "downloads" exists. Deleting...
+    rmdir /s /q "downloads"
+    echo Folder "downloads" has been deleted.
+) ELSE (
+    echo Folder "downloads" does not exist.
+)
+
 rem GitHub repository information
 set repoOwner=RaphiMC
 set repoName=JavaDowngrader
diff --git a/run.sh b/run.sh
index a0aeccf..a6812e6 100644
--- a/run.sh
+++ b/run.sh
@@ -2,6 +2,22 @@
 
 set -e
 
+if [ -d "output" ]; then
+    echo "Folder 'output' exists. Deleting..."
+    rm -rf "output"
+    echo "Folder 'output' has been deleted."
+else
+    echo "Folder 'output' does not exist."
+fi
+
+if [ -d "downloads" ]; then
+    echo "Folder 'downloads' exists. Deleting..."
+    rm -rf "downloads"
+    echo "Folder 'downloads' has been deleted."
+else
+    echo "Folder 'downloads' does not exist."
+fi
+
 # GitHub repository information
 repoOwner="RaphiMC"
 repoName="JavaDowngrader"