How to download mc Java for free

yt versIon
https://www.youtube.com/watch?v=ST79H2nWCYg&t=38s

It was made so you can download It In school but works eather way
thIs vIdeo was done on school pc

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If It says
Can’t load thIs file type
and wIth
"unsuported FILE" wIth the download button there Just press download
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