anchor.diff:  
   This API enables you to update your license.
   
  -[float]
  -==== Request
  +[[update-license-api-request]]
  +==== {api-request-title}
   
  -`PUT /_license`
  +`PUT _license`
   
  -[float]
  -==== Description
  +`POST _license`
  +
  +[[update-license-api-prereqs]]
  +==== {api-prereq-title}
  +
  +If {es} {security-features} are enabled, you need `manage` cluster privileges to
  +install the license.
  +
  +If {es} {security-features} are enabled and you are installing a gold or platinum
  +license, you must enable TLS on the transport networking layer before you
  +install the license. See <<configuring-tls>>.
  +
  +[[update-license-api-desc]]
  +==== {api-description-title}
   
   You can update your license at runtime without shutting down your nodes.
   License updates take effect immediately.  If the license you are installing does
  
positive.code: 
  [source,console]
  ------------------------------------------------------------
  POST /_license?acknowledge=true
  {
    "licenses": [
      {
  
negative.code: For more information about the different types of licenses, see
  https://www.elastic.co/subscriptions.
  
  [[update-license-api-query-params]]
  ==== {api-query-parms-title}
  
  `acknowledge`::
    (Optional, boolean)
    Specifies whether you acknowledge the license changes. The default
    value is `false`.
  
  [[update-license-api-request-body]]
  ==== {api-request-body-title}
  
  `licenses`::
    (Required, array)
    A sequence of one or more JSON documents containing the license information.
  
  [[update-license-api-example]]
  ==== {api-examples-title}
  
  The following example updates to a basic license:
  
  [source,console]
  ------------------------------------------------------------
  PUT _license
  {
    "licenses": [
      {
  