diff --git a/README.md b/README.md
index a18ac44..38db1de 100644
--- a/README.md
+++ b/README.md
@@ -29,13 +29,15 @@ jobs:
 
 ## 🧩 Input
 
+> **ℹ️ Notice:** All of the inputs are optional; Use this action without any input will default to install latest version for current user, and keep the setting that modified.
+
 ### `sudo`
 
-**(>= v1.5.0) \[Optional\]** `<Boolean = False>` Whether to execute this action in sudo mode on non-Windows environment. This must set to `True` in order to able install for all users on non-Windows environment (i.e.: when input [`scope`](#scope) is `"AllUsers"`).
+**(>= v1.5.0)** `<Boolean = False>` Whether to execute this action in sudo mode on non-Windows environment. This must set to `True` in order to able install for all users on non-Windows environment (i.e.: when [input `scope`](#scope) is `"AllUsers"`).
 
 ### `version`
 
-**\[Optional\]** `<String = "Latest">` Target version, by Semantic Versioning (SemVer) 2.0.0 with optional modifier; Default to the latest version.
+`<String = "Latest">` Target version, by Semantic Versioning (SemVer) 2.0.0 with optional modifier; Default to the latest version.
 
 - **`Latest`:** Latest version
 - **`<Ma.Mi.Pa-PR+Bu`:** Less than version `Ma.Mi.Pa-PR+Bu`
@@ -48,22 +50,22 @@ jobs:
 
 ### `allowprerelease`
 
-**\[Optional\]** `<Boolean = False>` Whether to allow target pre release version.
+`<Boolean = False>` Whether to allow target pre release version.
 
 ### `scope`
 
-**(>= v1.5.0) \[Optional\]** `<String = "CurrentUser">` Installation scope.
+**(>= v1.5.0)** `<String = "CurrentUser">` Installation scope.
 
-- **`"AllUsers"`:** For all users. Also need to set input [`sudo`](#sudo) to `True`.
+- **`"AllUsers"`:** For all users. Also need to set [input `sudo`](#sudo) to `True`.
 - **`"CurrentUser"`:** For current user.
 
 ### `force`
 
-**(>= v1.5.0) \[Optional\]** `<Boolean = False>` Whether to force install or reinstall target (pre release) version.
+**(>= v1.5.0)** `<Boolean = False>` Whether to force install or reinstall target (pre release) version.
 
 ### `keepsetting`
 
-**\[Optional\]** `<Boolean = True>` Whether to keep the setting that modified by this action.
+`<Boolean = True>` Whether to keep the setting that modified by this action.
 
 ## 🧩 Output
 
diff --git a/action.yml b/action.yml
index c2b0bd0..6d6a4b7 100644
--- a/action.yml
+++ b/action.yml
@@ -71,48 +71,6 @@ runs:
         INPUT_SCOPE: "${{inputs.scope}}"
         INPUT_SUDO: "${{inputs.sudo}}"
         INPUT_VERSION: "${{inputs.toolkit_version || inputs.version}}"
-    # - name: "Throw Error - Input `sudo`"
-    #   if: "${{inputs.sudo != 'False' && inputs.sudo != 'True'}}"
-    #   run: |
-    #     Write-Host -Object '::error::Input `sudo` is not a boolean!'
-    #     Exit 1
-    #   shell: "pwsh"
-    # - name: "Main (Non-Windows)"
-    #   if: "${{runner.os != 'Windows' && inputs.sudo == 'False'}}"
-    #   env:
-    #     INPUT_ALLOWPRERELEASE: "${{inputs.toolkit_allowprerelease || inputs.allowprerelease}}"
-    #     INPUT_FORCE: "${{inputs.force}}"
-    #     INPUT_KEEPSETTING: "${{inputs.keepsetting}}"
-    #     INPUT_SCOPE: "${{inputs.scope}}"
-    #     INPUT_SUDO: "${{inputs.sudo}}"
-    #     INPUT_VERSION: "${{inputs.toolkit_version || inputs.version}}"
-    #   run: |
-    #     pwsh -NonInteractive "$GITHUB_ACTION_PATH/main.ps1"
-    #   shell: "sh"
-    # - name: "Main (Non-Windows, Sudo)"
-    #   if: "${{runner.os != 'Windows' && inputs.sudo == 'True'}}"
-    #   env:
-    #     INPUT_ALLOWPRERELEASE: "${{inputs.toolkit_allowprerelease || inputs.allowprerelease}}"
-    #     INPUT_FORCE: "${{inputs.force}}"
-    #     INPUT_KEEPSETTING: "${{inputs.keepsetting}}"
-    #     INPUT_SCOPE: "${{inputs.scope}}"
-    #     INPUT_SUDO: "${{inputs.sudo}}"
-    #     INPUT_VERSION: "${{inputs.toolkit_version || inputs.version}}"
-    #   run: |
-    #     sudo --non-interactive --preserve-env pwsh -NonInteractive "$GITHUB_ACTION_PATH/main.ps1"
-    #   shell: "sh"
-    # - name: "Main (Windows)"
-    #   if: "${{runner.os == 'Windows'}}"
-    #   env:
-    #     INPUT_ALLOWPRERELEASE: "${{inputs.toolkit_allowprerelease || inputs.allowprerelease}}"
-    #     INPUT_FORCE: "${{inputs.force}}"
-    #     INPUT_KEEPSETTING: "${{inputs.keepsetting}}"
-    #     INPUT_SCOPE: "${{inputs.scope}}"
-    #     INPUT_SUDO: "${{inputs.sudo}}"
-    #     INPUT_VERSION: "${{inputs.toolkit_version || inputs.version}}"
-    #   run: |
-    #     pwsh -NonInteractive (Join-Path -Path $Env:GITHUB_ACTION_PATH -ChildPath 'main.ps1')
-    #   shell: "pwsh"
 branding:
   icon: "package"
   color: "blue"