Are you looking to do or module reprogramming (SPS2) ?
Note: Techline Connect does not natively support macOS, Linux, or ARM-based processors (like Apple Silicon via emulation or Microsoft Surface Pro ARM chips). How to Download GM Techline Connect
Navigate to the official website. Create a user account, fill out your shop credentials, and complete the registration process. 2. Purchase a Subscription
Click through the setup wizard, keeping the default installation paths.