In this tutorial you can learn how to make spiral stairs in 3Ds max
I have used some short cut keys here are some
For select object vertex- 1
Large viewport- Alt+W
Extrude- Shift+move on any axis
Copy- Shift+movein any direction
Loop selection- Alt+R
For scale object- R
For rotate object- E
For move object - W
If you need any help comment me
Pc specification
Procesoor- i5 3570
Ram- 12GB
GPU- msi gaming x nvidia geforce 1070 8G
Panel- acer 1920*1080
Keyboard- redragon K502RGB
Mouse- cosmic byte gaming RGB
Cabinet- chiptronex cobra RGB mid tower
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