If you mean OpenSSL, i dont think so, as far as i know, TSL 1.3 requires OpenSSL 1.1.1. You should look into the specifications of the Xampp package you are going for (there are a few for windows).
I just did a short lookup, maybe its part of Xampp 7.x as OpenSSL 1.1.1a is delivered. See also
https://wiki.openssl.org/index.php/TLS1.3