Windows 10: what is the function of the cross device experience host application?

I want to increase the performance of my computer, so I want to delete some applications that I think are not needed. But I don't know what the function of the cross device experience host application is

:)

 

What is Windows People Experience Host?

on the Privacy Settings turn-off access of the "Windows People Experience Host" to various devices and functions, on the Privacy Settings turn-off access of the "Windows
People Experience Host" to various devices and functions, on the Privacy Settings turn-off access of the "Windows People Experience Host" to various devices and functions, on
the Privacy Settings turn-off access of the "Windows People Experience Host" to various devices and functions,

Suggest that you do a search using Bing or Google for more info.

 

Cross-device experience with Project Rome

Read more: Cross-device experience with Project Rome | Building Apps for Windows

 

Windows Shell Experience Host using 35 to 55% of CPU usage on Windows 10

Hi Don,

Thank you for posting in Microsoft Community, we appreciate your interest in Windows 10.

I understand your concern about CPU utilization by Windows Shell Experience Host, we will help you with this issue.

I suggest you to try few of the below troubleshooting steps and check if it helps.

Step 1: Try to end the process from Task Manager and check.

• 
  Press Ctrl+Alt+Del together to open
  Task Manager.
  
• 
  Go to Processes tab, right-click on the Windows Shell Experience Host process and click
  End Process.
  

Step 2: Boot the computer in to Safe mode with networking and if the CPU usage is same.

Refer: Start your PC in safe mode in Windows 10


Step 3: I suggest you to install all the pending updates after upgrade to Windows 10.

• Connect to the internet.
• Press Windows key and type
  updates.
• Click on Check for updates.
• Under Windows Updates, click on
  Check for updates.
• Try to install the updates being shown.

Also, visit the computer manufacturer’s website and install the drivers being found and check if it helps.

Hope it helps. Reply to the post with an updated status of this issue for further assistance.