To completely avoid security risks, consider utilizing official deployment methods provided by Microsoft. These options ensure you get clean, uncorrupted files. 1. Microsoft Office Deployment Tool (ODT)
If you use a "highly compressed" version, you will definitely not receive any updates. You will be stuck with a version that likely has unpatched security holes, making your computer a sitting duck for malware that targets older Office vulnerabilities. Download Microsoft Office 2019 Highly Compressed
Download Microsoft Office 2019 Highly Compressed: Everything You Need to Know To completely avoid security risks
This is the biggest threat. Unofficial software sites are a primary vector for malware distribution. When you download an executable from an untrusted source, you are essentially trusting a complete stranger with access to your computer. Download Microsoft Office 2019 Highly Compressed