Guides
21 fixes, how-tos and command guides for Windows and PowerShell, written from Microsoft's documentation.
In short
- Every step, command and menu path comes from Microsoft's own documentation, and each one links to the page.
- Fixes start with the least risky step and say when a step needs an administrator or restarts the PC.
- No guide recommends a product, a PC cleaner or a driver updater.
Fixes
- Fix "running scripts is disabled on this system" in PowerShell
Windows 11, Windows 10, Windows Server, Windows PowerShell 5.1, PowerShell 7 · 5 min
- Fix the "trust relationship failed" domain sign-in error in Windows
Domain-joined Windows clients, Windows Server member servers, Windows PowerShell 5.1 · 15 min · needs an administrator
- Fix blue screen (stop code) errors in Windows 11 and Windows 10
Windows 11, Windows 10 · 30 min · needs an administrator
- Fix Windows Update error 0x800f0922 in Windows 11 and Windows 10
Windows 11, Windows 10 · 30 min · needs an administrator
How-tos
- Back up your PC with Windows Backup and File History
Windows 11, Windows 10 · 15 min
- Create a USB recovery drive in Windows 11
Windows 11, Windows 10 · 20 min
- Find your BitLocker recovery key in Windows 11 and Windows 10
Windows 11, Windows 10 · 5 min
- Repair Windows system files with SFC and DISM
Windows 11, Windows 10 · 20 min · needs an administrator
- Change a user account to administrator in Windows 11
Windows 11, Windows 10 · 3 min · needs an administrator
- Install PowerShell 7 on Windows with winget or the MSI package
Windows 11, Windows 10 version 1809 or later, Windows Server 2025, PowerShell 7 · 10 min
- Run a Microsoft Defender Offline scan in Windows 11
Windows 11 (x64), Windows 10, version 1607 or later (x64, x86) · 20 min · needs an administrator
- Check your Windows version, edition and OS build
Windows 11, Windows 10 · 2 min
- Create and use passkeys in Windows 11 with Windows Hello
Windows 11 · 5 min
- Install WSL on Windows 11 with wsl --install
Windows 11, Windows 10, version 2004 (Build 19041) or later · 15 min · needs an administrator
- Boot into safe mode in Windows 11 and Windows 10
Windows 11, Windows 10 · 5 min · needs an administrator
- Enable Remote Desktop in Windows 11 and connect to your PC
Windows 11 Pro, Windows 11 Enterprise, Windows 11 Education · 10 min · needs an administrator
- Reset this PC in Windows 11: keep files or remove everything
Windows 11, Windows 10 · 60 min · needs an administrator
Commands
- Find large files in PowerShell with Get-ChildItem and Sort-Object
Windows PowerShell 5.1, PowerShell 7 · 5 min
- Stop-Process: find and stop a process in PowerShell
Windows PowerShell 5.1, PowerShell 7 · 3 min
- winget upgrade --all: update all apps at once on Windows
Windows 11, Windows 10 version 1809 or later, Windows Server 2025 · 5 min
- Test-NetConnection: check if a TCP port is open in PowerShell
Windows, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025 · 3 min