The software is not available on public file-sharing sites; it must be downloaded through official GM portals using an authorized account. Techline Connect
: A minimum of 16 GB RAM (32 GB recommended) and at least 1 TB of hard drive space is required, especially if using the Electronic Parts Catalog (EPC). gm techline connect software download
: Business-grade, hard-wired connectivity is strongly recommended for downloading large calibration files. How to Download GM Techline Connect The software is not available on public file-sharing