For a cleaner and more stable game, many advanced users bypass the launcher:
For heavy store users, experts suggest keeping compressed Store files (found in the dccCache folder) under 200MB to maintain game performance.
Install smaller items like patterns first to ensure they register correctly in the "Create a Style" tool before adding larger sets. 3. Custom Content (CC) & Mods
Install expansion and stuff packs in their original release order to avoid registry errors or compatibility issues.