Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.

Enable virtualization on Windows 11 PCs. Virtualization lets your PC emulate a different operating system, like Android™ or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your PC. If you upgraded from Windows 10 to Windows 11 on your PC, these steps will help you enable virtualization.

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected. To check for updates manually, select Start > Settings > Windows Update . Check for updates.

Add a new iCloud account. On the View tab, select View settings. Select Accounts > Email accounts. From the email accounts pane, select the option to add a new account. Select Add Account , in the Suggested account dropdown, enter the iCloud account you want to add, and select Continue. On Sync your iCloud account, select Continue.

Microsoft アカウントへのサインインに問題がある場合は、Microsoft アカウントのヘルプ を参照してください。. [メールの追加] または [電話番号の追加] を選択します。. 指示に従って Microsoft アカウントのエイリアスに新しいメール アドレスまたは電話番号を ...

On another Windows PC or other device, connect to Wi-Fi as you normally would, and enter your Wi-Fi password when prompted. For more info about connecting to Wi-Fi, see Connect to a Wi-Fi network in Windows.

To view them, right-click the desktop, select View, and then select Show desktop icons. To add icons to your desktop such as This PC, Recycle Bin and more: Select Start , open Settings , then under Personalization , select Themes . Under Themes, scroll down and select Desktop icon settings. Choose the icons you would like to have on your ...

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Windows アップグレード アシスタントの進行状況が、99% 完了した状態から 4 時間以上進まない場合は、以下の操作をお試しください。. 注意: お使いの PC を再起動する前に、以下の手順を実行します。. そうしない場合、 [Media] フォルダーを利用できない可能 ...