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Create a Windows batch file, run it, add it to startup, use basic commands, comments, and administrator mode safely.

Change a Windows 10 Microsoft account or local account password while signed in, and improve sign-in security afterward.

Switch Windows power modes, customize power plans, create a custom plan, and generate a laptop battery report.

Change the display name for a Microsoft account or local Windows account and understand why the user folder name stays the same.

Move the Windows taskbar on Windows 10, use Windows 11 registry or third-party options, and revert the change safely.

Set Chrome, Firefox, Edge, or another browser as the default on Windows 10 or Windows 11.

Change, move, or restore the Windows pagefile and understand when custom virtual memory settings help or hurt.

Change Windows display language, regional formats, keyboard layouts, sign-in screen language, and app language behavior.

Manage Windows startup apps from Task Manager and Settings, add programs to startup, and check scheduled tasks and services.

Change DNS servers on Windows through Settings or Control Panel, choose public DNS, reset to automatic, and use DNS over HTTPS.