After downloading the archive file, verifying its integrity through checksums is a non-negotiable security practice. It ensures the file hasn't been corrupted during the download or altered by a third party. Below are the official SHA256 checksums for version 21.4.3.060.xxxx, which you will need to compare with the checksum generated on your system to confirm a verified download.

In this guide, we will walk you through everything you need to know: what version 21.4.3 (build 2143) includes, why "verified" matters, where to find the official checksums, and how to complete a safe, malware-free installation.

Copy the official SHA-256 string listed next to the download link on Oracle's website.