Microsoft has reduced the amount of telemetry data collected under the 'basic' diagnostic option to be compliant with privacy laws and customer desires. However, 71 percent of Creators Update users still opt to send full diagnostic data to Microsoft including browsing and typing data.
https://www.notebookcheck.net/71-percent-of-Windows-10-Creators-Update-users-send-Microsoft-their-full-telemetry-data.240910.0.html
Winaero Tweaker disables telemetry and does a lot of other useful stuff.
I just want they fix win10 intel driver problems on tablets. and that slow speed in win10 vs 8.1
dthrp - You can also disable by editing the registry yourself, if you prefer to have manual control over the process.