Most of the defaults that are standard in TurboCAD, such as the colour surround in PaperSpace, you probably don’t care about. However, others such as the text defaulting to Times New Roman are a bit annoying.
These defaults can be changed in TC Explorer, which can be found by following the path:
Tools – Customise – Pallets – TC Explorer
There’s a huge amount of ‘stuff’ here, most unintelligible to most of us, but it’s worth spending a few minutes looking through to see if there is anything obvious you’d like to change.