diff --git a/setup.py b/setup.py
index 2cc3454bc..3456f24a9 100755
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 Setup Crocrodile chess engine.
 """
-import click
+import sys
 import os
 import colorama
 import tempfile
@@ -16,12 +16,12 @@
 
 def error(msg):
     print(colorama.Style.BRIGHT + colorama.Fore.RED + "ERROR:", colorama.Style.RESET_ALL + msg, "You can find complete logs at", file)
+    sys.exit(-1)
 
 
-@click.command()
 def install():
     print("Installing dependencies... (checking for python3)", end="\r", flush=True)
-    test = os.system(f"python3 --version > {file}")
+    test = os.system(f"python3 --version >> {file}")
     if test != 0:
         error("Python 3 not found. Please verify that Python 3 is installed on 'python3' command.")
     print("Installing dependencies... (checking for pip3)", end="\r", flush=True)
@@ -36,9 +36,72 @@ def install():
             error("Failed to install pip3.")
     print("Installing dependencies... (installing requirements)", end="\r", flush=True)
     test = os.system(f"python3 -m pip install -r requirements.txt >> {file}")
+    if test != 0:
+        error("Failed to install dependencies.")
+
+
+def client(sub_args):
+    os.system("python3 client.py " + sub_args)
+
+
+def help():
+    print("Crocrodile setup program")
+    print("========================")
+    print()
+    print("Usage: setup.py COMMAND [SUBCOMMAND] [OPTIONS]")
+    print()
+    print("Commands:")
+    print("    install   : Install Crocrodile")
+    print("    launch    : Launch Crocrodile")
+    print()
+    print("Launch :")
+    print("    client    : Launch Lichess client")
+    print()
+    print("Client :")
+    print("    -h, --help           : Show this message and exit")
+    print("    -v, --verbose        : Show debug logs")
+    print("    -q, --quiet          : Don't show any logs")
+    print("    -c, --challenge \"user time increment color\" : Challenge user in time+increment, BOT is playing with color ('white' or 'black')")
+    print("    -a, --auto           : Auto challenge BOTs")
+    print("    -n, --neural-network : Enable Neural Network")
+    print("    -u, --upgrade        : Upgrade to bot account")
+    print("    -d, --dev            : Dev account")
+    print()
+    print("Options :")
+    print("    -h, --help: Show this message and exit")
 
 
+def parse_args():
+    args = sys.argv
+    if len(args) > 1:
+        command = args[1]
+        if command == "install":
+            install()
+        elif command == "launch":
+            if len(args) > 2:
+                command = args[2]
+                if command == "client":
+                    if len(args) > 3:
+                        client(" ".join(args[3:]))
+                    else:
+                        client()
+                else:
+                    help()
+                    print()
+                    error(f"Unknow target: {command}.")
+            else:
+                help()
+                print()
+                error("No subcommand for launch.")
+        elif command in ("-h", "--help"):
+            help()
+        else:
+            help()
+            print()
+            error(f"Unknown command: {command}.")
+    else:
+        help()
 
 
 if __name__ == '__main__':
-    install()
+    parse_args()