How To Migrate From Magento 1 To Magento 2 Without Breaking Anything.

You migration the latest magento 2 version . Mention the vertion for example data-migration-tool:2.3.3

composer config repositories.magento composer https://repo.magento.com
composer require magento/data-migration-tool:2.3.3


Edit config.xml file :-
Path: /vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.
 <source>
        <database host="localhost" name="rene_copy_db" user="root" password="nopass" />
    </source>
    <destination>
        <database host="localhost" name="rene_m2_db" user="root" password="nopass" />
    </destination>
Also added this value crypt_key (from magento 1.9):
<crypt_key>sony</crypt_key>

From version mention  for example :/opensource-to-opensource/1.9.2.4/config.xml

Path: /vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4
map.xml

copy magento 1.9 media folder  to magento 2  media folder (pub/)

php bin/magento migrate:settings vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4/config.xml
php bin/magento migrate:data -a vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4/config.xml