Most professional garages (10+ bays) should run a Hybrid approach. Use the offline catalogue for 95% of queries (VIN decoding, part fitment) and a small background tool that pings the cloud for live supplier pricing or stock levels.
Once installed, you have access to the following without internet:
: The installer will prompt you to insert subsequent discs (often up to 5 or 6 DVDs/ISOs) as it copies the massive parts database to your hard drive.
, offline capabilities remain essential for many professional workshops and software developers. Types of Offline Work with TecDoc Standalone PC Installation (DVD/Download)