Since version 1903 has reached its end of service, it is no longer the default download on the Microsoft software download page , which now serves newer versions like 22H2. However, there are still legitimate ways to obtain it:
: A lightweight, isolated desktop environment designed for safely running untrusted software. Separation of Search and Cortana windows 10 1903 iso
: A lightweight desktop environment designed to safely run suspicious applications in isolation. Since version 1903 has reached its end of
If you decide to proceed: