Windows Update Toggler Tool (WUTT)

This tool simply turns off the Windows Update Service, and on Windows 10+ turns off Optimized Delivery service. OD service is responsible for in part for downloading windows updates, upgrades, and Windows Store applications. Read more here – What is Delivery Optimization? | Microsoft Learn.  WUTT turns this off as a precaution as well for Windows 10+. 

Get it here – Windows Update Toggler Tool – Turn off on windows update on demand