Blog page and the Home page showing the same content

at the begining in wordpress dashboard ( panel) go to pages and create 2 pages, one ‘home’, and another ‘posts’. After navigate in admin panel to settings section and select ‘reading’ option which looks =>enter image description here

From there select your freshly created pages for each purpose, you can edit content of pages in admin dashboard => pages section , you should have now fully working two different pages for each purpose.