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Copy large folders with Robocopy, mirror backups carefully, resume interrupted transfers, set retries, write logs, and understand common switches.

Start Windows in Safe Mode with Networking from a working desktop or failed boot loop, then exit Safe Mode and understand its limits.

Run sfc /scannow, interpret Windows Resource Protection results, repair the Windows image with DISM, export SFC logs, and check for drive issues.

Install Microsoft PowerToys, enable FancyZones, PowerToys Run, Color Picker, PowerRename, Always on Top, Text Extractor, and manage startup and updates.

Open Local Group Policy Editor, find and change policy settings, refresh policy, undo changes, and understand Windows Home limitations.

Control multiple Windows PCs with one mouse and keyboard using PowerToys Mouse Without Borders or the standalone Microsoft Garage app.

Update Wi-Fi or Ethernet adapter drivers on Windows, get manufacturer drivers, check optional updates, and roll back if a new driver breaks connectivity.

Use Diskpart without guessing: list disks, select the right volume, extend partitions, understand common commands, and avoid destructive mistakes.

Find useful Windows crash, driver, shutdown, and app error details in Event Viewer without getting lost in harmless routine logs.

Set up File History backups, restore older file versions, add folders, understand external-drive limits, and compare File History with other Windows backup tools.