You will find an answer to many of your questions in the Q&A section of the Support Forum.
Visit the Tekla BIMsight Help Center or use the Search function to find what you are looking for.
If you have problems accessing the site content, send us feedback by filling in this form
To create a view group, drag a saved view on top of another saved view in the view strip.
Tekla BIMsight creates a new view group that contains the two saved views. By default, the name of the view group is New group.