IF statment In Powershell

[CmdletBinding()]
Param(
    [Parameter(Position=0,ValuefromPipeline=$true)]
    [string]$ComputerName = $env:ComputerName
)
$Head = @'
<style>
TABLE      {border-width:1px; border-style:solid; border-color:black; border-collapse:collapse;}
TH            {border-width:1px; padding:2px; border-style:solid; border-color:black;}
TD            {border-width:1px; padding:2px; border-style:solid; border-color:black;}
</style>
'@

$Body = @'
<H2>Status for {0}</H2>
'@ -f $ComputerName

$Status = @()
$Stuff = @()
Invoke-Command -ComputerName $ComputerName -ScriptBlock {& opcagt -version} | ForEach-Object {
      
            $Stuff += $_
      
}
($Status | ConvertTo-Html -Head $Head -Body $Body -PostContent "<br /> $($Stuff -join '<br />')") -replace '^<html.*$', "<html>" | Out-file -Filepath C:\tmp\ver.txt
Get-Content 'C:\tmp\ver.txt' | Set-Content 'C:\tmp\ver1.txt'
cat C:\tmp\ver1.txt

The above script gives the ouput of the HPOV ( HP Openview )Version

I need to add a if statement to check if  HPOV installed,If installed it need to run the script  else need to say ÖV not installed on the Server in HTML format

i.e.I need to check if OvInstallDir is there  in the server if so then need to run the script else come out of the script saying "OV not installed on the server" in the HTML format

OvInstallDir=C:\Program Files\HP\HP BTO Software\

Can you help me on this?
Suresh KumarAsked:
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Shaun VermaakTechnical SpecialistCommented: 
$OvInstallDir = 'C:\Program Files\HP\HP BTO Software\'
if(!(Test-Path -Path $OvInstallDir))
{
    $Stuff='OV not installed on the server'
}
else
{
    $Stuff=...
}
ConvertTo-Html -Head $Head -Body $Body -PostContent "<br /> $($Stuff -join '<br />')") -replace '^<html.*$', "<html>" | Out-file -Filepath 'C:\tmp\ver.txt'

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Suresh KumarAuthor Commented:
this path   " 'C:\Program Files\HP\HP BTO Software\' " may vary for server to server .so actually Path is not necessary.
.just to check OvInstallDir is installed
Shaun VermaakTechnical SpecialistCommented:
Check if that path is saved in registry then we can lookup value from it
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Suresh KumarAuthor Commented:
Yes..the path is saved in registry
Shaun VermaakTechnical SpecialistCommented:
Please post the registry key/value
Suresh KumarAuthor Commented:
C:\Program Files\HP\HP BTO Software\bin\win64\OpcWbemInterceptor.dll
Shaun VermaakTechnical SpecialistCommented:
I need the value path in registry too such as HKLM\software\...
Suresh KumarAuthor Commented:
HKEY_CLASSES_ROOT\CLSID\{07D539F9-547C-11D3-9A1B-0060B0F5FEE6}\InprocServer32
Shaun VermaakTechnical SpecialistCommented: 
$OvRegistry = 'HKCR:\CLSID\{07D539F9-547C-11D3-9A1B-0060B0F5FEE6}\InprocServer32'
if(!(Test-Path -Path $OvRegistry)) { $Stuff='OV not installed on the server' } else { $Stuff=... }
ConvertTo-Html -Head $Head -Body $Body -PostContent "<br /> $($Stuff -join '<br />')") -replace '^<html.*$', "<html>" | Out-file -Filepath 'C:\tmp\ver.txt'

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Suresh KumarAuthor Commented:
Thanks
Shaun VermaakTechnical SpecialistCommented:
Glad we could help.
Please remember to endorse my, or any other expert's comments that you found helpful.
Suresh KumarAuthor Commented:
sure
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