---

# Check Windows edition
$os = Get-CimInstance Win32_OperatingSystem

Write-Host "=== WINDOWS ===" -ForegroundColor Cyan
Write-Host $os.Caption

# Check file system
Write-Host "`n=== DISK C ===" -ForegroundColor Cyan
Get-Volume -DriveLetter C |
    Select-Object DriveLetter, FileSystem, HealthStatus |
    Format-Table

# Prepare laboratory folder
$dir = "$env:PUBLIC\Documents\EFS_LR5"

New-Item -ItemType Directory -Force -Path $dir |
    Out-Null

# Create two test files
"Laboratory EFS - File 1 - User 1" |
    Set-Content "$dir\File_1.txt" -Encoding UTF8

"Laboratory EFS - File 2 - User 2" |
    Set-Content "$dir\File_2.txt" -Encoding UTF8

# Create screenshot folder
New-Item -ItemType Directory -Force `
    -Path "$dir\screenshots" | Out-Null

Write-Host "`n=== FILES CREATED ===" -ForegroundColor Green
Get-ChildItem "$dir" |
    Select-Object Name, Length

explorer.exe $dir