how to Remove the following tasks by default through Windows Registry Editor Version ex : task.reg

i am Working in Building Custom windows Iso and How i Change Default theme to My new installed theme...
I mean Default Windows 10 theme is aero and how i can change new installed theme..?

I want change the default theme, Using setupcomplete.cmd
Is the registry file correct?

Windows Registry Editor Version 5.00
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How to Add default theme with Windows Registry Editor Version

How to Customize OEM Support Information in ( Windows 10) ISO
I add. Logo to Windows inside the ISO file using the power iso program
sources\$OEM$\$$\System32\ OEM logos