The offline installer ensures that rarely used features (like Full-Text Search, Replication, or Machine Learning Services) are available immediately without a separate download.
⚠️ to avoid malware or tampered files.
Microsoft distributes SQL Server 2019 via an initial lightweight online bootstrapper. You must use this bootstrapper on an internet-connected machine to fetch the comprehensive offline media package:
Minimum 6.0 GB of available storage space to accommodate the core database engine components.
Downloading the complete locally enables repeatable, predictable, and fully compliant offline installations across multiple production, developer, or test servers. Prerequisites and System Requirements
x64 Architecture compatible with AMD or Intel processors (Minimum 1.4 GHz; 2.0 GHz or higher recommended ).
Specify a local directory with at least 2 GB of storage space available.