How to find out which computer a user is logged into

#Please replace <UserName> with the username you want in the results
$Username = "<UserName>"

# Get all enabled Windows computers from AD
$Computers = Get-ADComputer -Filter 'Enabled -eq $true' -Property Name | Select-Object -ExpandProperty Name

# Track if the user was found
$UserFound = $false

foreach ($Computer in $Computers) {
try {
# Run quser on the remote machine and capture the output
$Sessions = quser /server:$Computer 2>&1

if ($LASTEXITCODE -eq 0 -and $Sessions) {
if ($Sessions -match $Username) {
Write-Host "User '$Username' is logged into $Computer" -ForegroundColor Green
$UserFound = $true
}
}
}
catch {
Write-Host "Unable to query $Computer" -ForegroundColor Yellow
}
}

# Final message if user was never found
if (-not $UserFound) {
Write-Host "User '$Username' is not logged into any computer in the domain" -ForegroundColor Red
}

# Get all enabled computers from AD
$Computers = Get-ADComputer -Filter { Enabled -eq $true } | Select-Object -ExpandProperty Name

# Initialize an array for results
$output = @()

foreach ($Computer in $Computers) {
try {
# Try to get the currently logged-on user from the remote system
$User = (Get-CimInstance -ClassName Win32_ComputerSystem -ComputerName $Computer -ErrorAction Stop).UserName

if ($User) {
$Status = $User
}
else {
$Status = "No interactive user currently logged in"
}

$Obj = [PSCustomObject]@{
Computer = $Computer
Status   = $Status
}
}
catch {
# If the query fails (offline, access denied, etc.)
$Obj = [PSCustomObject]@{
Computer = $Computer
Status   = "Error: $($_.Exception.Message)"
}
}

# Add the object to the results
$output += $Obj
}

# Display results in a clean table
$output | Format-Table -AutoSize

#Please replace <ComputerName> with the computer name you want in the results
$ComputerName = "<ComputerName>"

try {
# Query the Win32_ComputerSystem class via WMI
$UserName = (Get-WmiObject -Class Win32_ComputerSystem -ComputerName $ComputerName -ErrorAction Stop).UserName

if ($UserName) {
Write-Host "Computer: $ComputerName | Logged-on User: $UserName"
} else {
Write-Host "Computer: $ComputerName | No interactive user currently logged in" -ForegroundColor Yellow
}
}
catch {
Write-Host "Computer: $ComputerName | Unable to query WMI. Error: $($_.Exception.Message)" -ForegroundColor Red
}