https://www.drivereasy.com/knowledge/windows-10-microsoft-compatibility-telemetry-high-disk-usage-solved/
I used Method 1 below, (taken from that site as is, please use at your own risk! All credit goes to the original authors of the above page!)
=============================================:
1) On your keyboard, press the Windows logo key and R at the same time to invoke a Runcommand.
2) Type gpedit.msc and click OK.
Note: If you cannot find gpedit.msc on your Windows 10, here is the method to got it.
Note: If you cannot find gpedit.msc on your Windows 10, here is the method to got it.
3) Go to Computer Configuration > Administrative Templates > Windows Components > Data Collection and Preview Builds.
4) Double-click Allow Telemetry.
5) Select Disabled, then click OK.
4) Double-click Allow Telemetry.
5) Select Disabled, then click OK.