Windowsパスワードを安全に削除する方法
Want to remove a Windows password on Windows 11 or Windows 10? The right method depends on whether you still know your current password, use a local or Microsoft account, or simply want to stop Windows from asking for a password at sign-in.
If you can still access your account, Windows provides built-in options to remove a local account password, change sign-in settings, or switch account types. If you have forgotten your password, Microsoft’s official account recovery options should be your first choice.
このガイドでは、以下の方法を説明します。 remove a Windows password using Windows built-in methods and how Magic Recovery Key can help recover supported saved credentials when needed.
For more solutions related to forgotten passwords and account access, visit our complete Windows password recovery guide.
目次
Quick Answer: How to Remove a Windows Password
There is no single method that works for every Windows account. The best way to remove a Windows password depends on whether you use a local account or Microsoft account, whether you still know the current password, and whether you simply want to skip the password prompt at startup.
Use the table below to quickly choose the most suitable method for your situation.
| 状況 | 推奨ソリューション |
|---|---|
| You know your current Windows password | Remove the password from Windows Settings |
| You want automatic sign-in without entering a password | Adjust sign-in settings with User Accounts |
| You use a Microsoft account | Manage your account settings through Microsoft |
| You need to find saved passwords or credentials | Recover supported stored information with Magic Recovery Key |
Method 1: Remove Windows Password from Settings (Recommended)
If you can currently sign in to Windows and know your account password, you can remove the password from Windows Settings.
以下の手順に従ってください：
- オープン 設定.
- こちらへ Accounts > Sign-in options.
- 選択 パスワード.
- クリック 変更.
- Enter your current password.
- Leave the new password fields empty.
- Save the changes.
After completing these steps, Windows will no longer ask for a password when signing in to that local account.
注： This method only works for accounts where you know the current password.
Method 2: Disable Windows Password Prompt with netplwiz
If your goal is to start Windows without entering a password every time, you can configure automatic sign-in through User Accounts.
以下の手順に従ってください：
- プレス Windows + R to open the Run dialog.
- タイプ ネットプルウィズ と入力してEnterキーを押す。.
- Select your user account.
Uncheck:
Users must enter a user name and password to use this computer
- クリック 応募する and confirm your account password.
After restarting your computer, Windows may sign in automatically.
重要 This method does not remove your Windows password. It only changes how Windows handles the sign-in process.
Method 3: Switch from a Microsoft Account to a Local Account
If you use a Microsoft account to sign in to Windows, your password is connected to your Microsoft account.
Instead of removing the password, you can switch to a local account if you prefer a password-free local login.
ステップ
- オープン 設定.
- こちらへ Accounts > Your info.
- 選択 代わりにローカルアカウントでサインインする.
- Follow the instructions to create a local account.
A local account gives you more control over Windows sign-in options.
Method 4: Recover Saved Windows Credentials with Magic Recovery Key
Sometimes users search for ways to remove a Windows password because they cannot find saved account information, browser passwords, Wi-Fi passwords, or other credentials stored on their computer.
このような状況では, Magic Recovery Key can help recover supported saved information from Windows systems.
It can help retrieve:
- Windowsプロダクトキー
- Saved browser passwords
- Wi-Fiパスワード
- ネットワーク認証
- Mail account credentials
- BitLockerリカバリキー
Magic Recovery Key is designed to recover existing stored information. It does not bypass Windows security protection or remove unknown Windows login passwords.
Windows 7/8/10/11およびWindows Serverをサポート
What Should You Do If You Forgot Your Windows Password?
If you cannot remember your Windows password, the recommended solution depends on your account type.
For a Microsoft Account
You can reset your password through Microsoft’s account recovery process.
For a Local Account
試してみるといい：
- Using another administrator account on the same computer
- Using available Windows recovery options
- Restoring access through previously configured recovery methods
Before making major changes, it is recommended to back up important files whenever possible.
If you need to recover stored credentials before reinstalling Windows or changing account settings, tools like Magic Recovery Key can help locate supported saved information.
まとめ
もしそうしたいなら remove a Windows password, the safest approach is to use the built-in Windows options that match your account type and sign-in situation. For local accounts, you can usually change or remove the password through Windows Settings, while Microsoft account users should manage their credentials through Microsoft’s official account recovery and security options.
If you need to recover supported saved credentials, product keys, or other stored information before making account changes, Magic Recovery Key can help retrieve available information from your Windows computer.
For more solutions related to forgotten passwords, sign-in problems, and account recovery, visit our complete Windows password recovery guide.
Windows 7/8/10/11およびWindows Serverをサポート
Windows パスワードの削除 FAQ
Can I remove a Windows password without knowing it?
Does removing a Windows password delete my files?
What is the difference between removing a password and disabling password login?
Can I remove a Microsoft account password?
Can Magic Recovery Key remove my Windows login password?
