Set-VMStaticIpAddress.ps1

$IP = '192.168.138.10'
$MaskBits = 24 # This means subnet mask = 255.255.255.0
$Gateway = '192.168.138.2'
$Dns = '192.168.138.2'
$IPType = 'IPv4'

# Retrieve the network adapter that you want to configure
$adapter = Get-NetAdapter | Where-Object {$_.Status -eq 'up'}

# Remove any existing IP, gateway from our ipv4 adapter
If (($adapter | Get-NetIPConfiguration).IPv4Address.IPAddress) {
    $adapter | Remove-NetIPAddress -AddressFamily $IPType -Confirm:$false
}

If (($adapter | Get-NetIPConfiguration).Ipv4DefaultGateway) {
    $adapter | Remove-NetRoute -AddressFamily $IPType -Confirm:$false
}

 # Configure the IP address and default gateway
$adapter | New-NetIPAddress `
    -AddressFamily $IPType `
    -IPAddress $IP `
    -PrefixLength $MaskBits `
    -DefaultGateway $Gateway

# Configure the DNS client server IP addresses
$adapter | Set-DnsClientServerAddress -ServerAddresses $DNS