diff --git a/.github/workflows/build-updater.yml b/.github/workflows/build-updater.yml
index b9badc9..ec8a637 100644
--- a/.github/workflows/build-updater.yml
+++ b/.github/workflows/build-updater.yml
@@ -49,7 +49,7 @@ jobs:
           detached: true
 
       - name: Setup Build Environment
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           condarc: |
             conda_build:
diff --git a/README.md b/README.md
index d66aa35..c00e719 100644
--- a/README.md
+++ b/README.md
@@ -9,5 +9,5 @@ It provides a graphical interface and the necessary scripts to perform the updat
 You can check how the updater looks by running the following command from the root directory of this repo:
 
 ```bash
-python spyder_updater/start-update.py --update-info-file tests/info-success.json
+python src/spyder_updater/start.py --update-info-file src/tests/info-success.json
 ```
diff --git a/src/spyder_updater/gui/updater.py b/src/spyder_updater/gui/updater.py
index 38076fc..2697e4d 100644
--- a/src/spyder_updater/gui/updater.py
+++ b/src/spyder_updater/gui/updater.py
@@ -389,7 +389,7 @@ def _handle_error(self, error):
 
     # ---- Public API
     # -------------------------------------------------------------------------
-    def start_install(self):
+    def start_install(self, start_spyder: bool):
         # Install script
         script_name = 'install.' + ('bat' if os.name == 'nt' else 'sh')
         script_path = str(
@@ -399,14 +399,19 @@ def start_install(self):
         # Sub command
         if self._update_info.get("installation_script") is None:
             # Running the installation scripts
-            sub_cmd = [script_path, '-i', self.install_file]
-            if self.update_type != 'major':
-                # Update with conda
-                sub_cmd.extend(['-c', self.conda_exec, '-p', self.env_path])
+            sub_cmd = [
+                script_path,
+                '-i', self.install_file,
+                '-c', self.conda_exec,
+                '-p', self.env_path
+            ]
 
             if self.update_type == 'minor':
                 # Rebuild runtime environment
                 sub_cmd.append('-r')
+
+            if start_spyder:
+                sub_cmd.append("-s")
         else:
             # For testing
             script = self._update_info["installation_script"]
diff --git a/src/spyder_updater/scripts/install.bat b/src/spyder_updater/scripts/install.bat
index 9fe4080..5018714 100644
--- a/src/spyder_updater/scripts/install.bat
+++ b/src/spyder_updater/scripts/install.bat
@@ -8,6 +8,7 @@ IF "%~1"=="-i" set install_file=%~2& SHIFT
 IF "%~1"=="-c" set conda=%~2& SHIFT
 IF "%~1"=="-p" set prefix=%~2& SHIFT
 If "%~1"=="-r" set rebuild=true
+if "%~1"=="-s" set start_spyder=true
 
 SHIFT
 GOTO parse
@@ -16,24 +17,9 @@ GOTO parse
 rem Enforce encoding
 chcp 65001>nul
 
-echo.
-echo =========================================================
-echo Updating Spyder
-echo =========================================================
-echo.
-
 call :wait_for_spyder_quit
-
-IF exist "%conda%" IF exist "%prefix%" (
-    call :update_subroutine
-    call :launch_spyder
-    goto :exit
-)
-
-IF exist "%install_file%" (
-    call :install_subroutine
-    goto :exit
-)
+call :update_spyder
+if "%start_spyder%"=="true" call :launch_spyder
 
 :exit
     exit %ERRORLEVEL%
@@ -46,10 +32,10 @@ IF exist "%install_file%" (
         timeout /t 1 /nobreak > nul
         goto loop
     )
-    echo Spyder is quit.
+    echo Spyder has quit.
     goto :EOF
 
-:update_subroutine
+:update_spyder
     for %%C in ("%install_file%") do set installer_dir=%%~dpC
     pushd %installer_dir%
 
@@ -81,30 +67,3 @@ IF exist "%install_file%" (
 
     start "" /B "%shortcut_path%"
     goto :EOF
-
-:install_subroutine
-    echo Installing Spyder from: %install_file%
-
-    rem Uninstall Spyder
-    for %%I in ("%prefix%\..\..") do set "conda_root=%%~fI"
-
-    echo Install will proceed after the current Spyder version is uninstalled.
-    start %conda_root%\Uninstall-Spyder.exe
-
-    rem Must wait for uninstaller to appear on tasklist
-    :wait_for_uninstall_start
-    tasklist /fi "ImageName eq Un_A.exe" /fo csv 2>NUL | find /i "Un_A.exe">NUL
-    IF "%ERRORLEVEL%"=="1" (
-        timeout /t 1 /nobreak > nul
-        goto wait_for_uninstall_start
-    )
-    echo Uninstall in progress...
-
-    :wait_for_uninstall
-    timeout /t 1 /nobreak > nul
-    tasklist /fi "ImageName eq Un_A.exe" /fo csv 2>NUL | find /i "Un_A.exe">NUL
-    IF "%ERRORLEVEL%"=="0" goto wait_for_uninstall
-    echo Uninstall complete.
-
-    start %install_file%
-    goto :EOF
diff --git a/src/spyder_updater/scripts/install.sh b/src/spyder_updater/scripts/install.sh
index f354cdf..9d5d66d 100755
--- a/src/spyder_updater/scripts/install.sh
+++ b/src/spyder_updater/scripts/install.sh
@@ -1,15 +1,25 @@
 #!/bin/bash
 
-while getopts "i:c:p:r" option; do
+while getopts "i:c:p:rs" option; do
     case "$option" in
         (i) install_file=$OPTARG ;;
         (c) conda=$OPTARG ;;
         (p) prefix=$OPTARG ;;
         (r) rebuild=true ;;
+        (s) start_spyder=true ;;
     esac
 done
 shift $(($OPTIND - 1))
 
+wait_for_spyder_quit(){
+    while [[ $(pgrep spyder 2> /dev/null) ]]; do
+        echo "Waiting for Spyder to quit..."
+        sleep 1
+    done
+
+    echo "Spyder has quit."
+}
+
 update_spyder(){
     # Unzip installer file
     pushd $(dirname $install_file)
@@ -53,37 +63,6 @@ launch_spyder(){
     fi
 }
 
-install_spyder(){
-    # First uninstall Spyder
-    uninstall_script="$prefix/../../uninstall-spyder.sh"
-    if [[ -f "$uninstall_script" ]]; then
-        echo "Uninstalling Spyder..."
-        echo ""
-        $uninstall_script
-        [[ $? > 0 ]] && return
-    fi
-
-    # Run installer
-    [[ "$OSTYPE" = "darwin"* ]] && open $install_file || sh $install_file
-}
-
-cat <<EOF
-=========================================================
-Updating Spyder
-=========================================================
-
-EOF
-
-while [[ $(pgrep spyder 2> /dev/null) ]]; do
-    echo "Waiting for Spyder to quit..."
-    sleep 1
-done
-
-echo "Spyder quit."
-
-if [[ -e "$conda" && -d "$prefix" ]]; then
-    update_spyder
-    launch_spyder
-else
-    install_spyder
-fi
+wait_for_spyder_quit
+update_spyder
+[[ "$start_spyder" == "true" ]] && launch_spyder
diff --git a/src/spyder_updater/start.py b/src/spyder_updater/start.py
index c7cc635..517aff9 100644
--- a/src/spyder_updater/start.py
+++ b/src/spyder_updater/start.py
@@ -32,6 +32,12 @@ def main():
         type=argparse.FileType(),
         help="Path to file that has the info to update Spyder"
     )
+    parser.add_argument(
+        "--start-spyder",
+        action="store_true",
+        default=False,
+        help="Start spyder after successfully installing the update."
+    )
     parser.add_argument(
         "--version",
         action="store_true",
@@ -67,7 +73,7 @@ def main():
 
         # Instantiate updater and start installation
         updater = Updater(update_info)
-        updater.start_install()
+        updater.start_install(args.start_spyder)
         updater.show()
 
         # Start the Qt event loop