how do i remove programs so that there is no history of them ever being on the pc?

Question

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Answer 1

1) First you go to control panel and in add and remove programmes option, select your programme and uninstall it.
2) and then search in your computer for the files with that programme name. You will find some files, delete them. And that will remove all the files of that programme leaving no history.

Answer 2

Using the Uninstaller on a program will get just about everything.
Removal of Registry Files for the program is the only way.
NOTE: If you are not familiar with the suffix coding on these files you can render your computer useless.
I suggest you get with the manufcture of the program in question and have them walk you trough registry removal items.
Don

Answer 3

Dear

Open Control Panel open ADD REMOVE Option and delete software. But one thing is remember lot's of software in the market/mostly software will never 100% remove from your system.

Few files always remain back in your System, for future installation help.

Goutam