Wampserver uses InnoSetup, which is hardly what you would call "old technology"!
There's nothing stopping you from using XAMPP.
However, Wampserver always uses the latest versions of PHP (8.5.0), MySQL (9.5.0), MariaDB (12.1.2) and Apache (soon to be 2.4.66), while allowing you to use almost any older version.
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Documentation Apache -
Documentation PHP -
Documentation MySQL -
Wampserver install files & addons