Cubik Studio

Hello.
I have one little question:
How I can rotate my model / elements / voxels to 45*, 90*, 25* etc.?
I'm watching tutorial and there are Ctrl key, but it's not working for me.
I'm using a Lenovo IdeaPad 320 LapTop.

The default controls changed since 2.9.

Please see: tutorials-f4/list-of-commands-and-shortcuts-t38.html