how to start tex program to write first program

[political science]

I installed tex, approximately 6 gb was downloaded.
I read http://ctan.imsc.res.in/info/first-latex-doc/first-latex-doc.pdf
what I am not able to understand among the folders  in a directory
C:\texlive\2019
which icon should I double click so that program starts and I start writing
some
thing.
I see following files
doc.html
index.html
install-tl
install-tl-windows.bat
install-tl.log
LICENSE.CTAN
LICENSE.TL
README
following folders
readme-html.dir
readme-txt.dir

texmf-config
texmf-dist
texmf-var
texmf.cnf
texmfcnf.lua
tl-tray-menu.exe
tlpkg

size 6.36 Gb

README.usergroups
release-texlive.txt

and a bin  folder 176 Mb
which file or folder should I double click so that I start the tex program.
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