INstall filebeat on windows

Hi, I am following the steps mentioned in the document

Filebeat quick start: installation and configuration | Filebeat Reference...

to install filebeat on windows.
but when i run the following command



PowerShell.exe -ExecutionPolicy UnRestricted -File .\install-service-filebeat.ps1

i am getting the following error

PS C:\Program Files\Filebeat> PowerShell.exe -ExecutionPolicy UnRestricted -File .\install-service-filebeat.ps1
The argument '.\install-service-filebeat.ps1' to the -File parameter does not exist. Provide the path to an existing '.ps1' file as an argument to the -File parameter.
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Same when i try it from command prompt also as admin in both cases.
Please help me understand where i am going wrong with the installation

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See Install filebeat on windows.