1 – Disable all the privacy options that discuss sending data anywhere: start -> settings -> privacy Click through each nav link in the left and disbable everything you are unsure of. You can always turn them back on if you find you need them later.
2 – Unless you need it, remove OneDrive:
a) Open powershell as admin
b) taskkill /f /im OneDrive.exe
c) %SystemRoot%\SysWOW64\OneDriveSetup.exe /uninstall
(%SystemRoot% is just c:\windows