What is the scheduled task "\Microsoft\Windows\WS\License Validation" on my Windows 8 computer?

"\Microsoft\Windows\WS\License Validation" is a scheduled task on Windows 8 system added as part of Windows installation.

You will see "\Microsoft\Windows\WS\License Validation" listed on Task Scheduler with the following information:

Name: License Validation
Location: \Microsoft\Windows\WS
Description: Windows Store License Verification Task
Actions: rundll32.exe WSClient.dll,WSpTLR licensing
Triggers: One time at 9:15 AM 1/1/2017 - After triggered, repeat every 6 hours
History: 
   Information 8:24:00 Task completed
   Information 8:00:48 Action completed
   Information 8:00:48 Action started
   Information 8:00:48 Task started
   Information 8:00:48 Created task process
   Information 8:00:48 Task triggered by user
   ...

Programe file information about "WSClient.dll":

File name: WSClient.dll
File path: C:\windows\system32\WSClient.dll
File size: 204800 bytes
Last modified time: 8/16/2013 1:21:42 AM
File description: Windows Store Licensing Client
File version: 6.2.9200.16384 (win8_rtm.120725-1247)
Company name: Microsoft Corporation

"WSClient.dll" is scheduled to run every 6 hours.

It is recommended to keep "\Microsoft\Windows\WS\License Validation" enabled as a scheduled task.

⇒System Scheduled Tasks on Windows 8

⇒⇒Windows 8 Scheduled Tasks