$source = " -x64-540.exe" -> Download Location
$destination = "$workdir\winrar.exe" -> Location where the file needs to be saved
Invoke-WebRequest $source -OutFile $destination -> Command that executes the download
check if it signed by expected vendor, for executable files signature on windows and validation is handled natively
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If signature is from major CA and name of signee matches expectations, then all is well barring major cybersecurity incident on software vendor side.
Personally there has been absolutely no reason to buy winrar or winzip this or last decade, you can use 7zip instead. Winrar offers nothing that OSS does not and it probably survives only thanks to brand recognition alone.
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