Since you are using the lower version of PS:
What you can do in your case is you first download the module in your local folder.
Then, there will be a .psm1 file under that folder for this module.
You just
import-Module "Path of the file.psm1"
Here is the link to download the Azure Module:
Azure Powershell
This will do your work.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…