Yes, you can, subject to payment of the relevant license charges. A list of the charges is provided below.
Third-Party Software License Charges (discount not applicable)
Microsoft Windows Server 2012 R2 - S$30.00/month
cPanel/WHM VPS - S$25.00/month
Plesk Web Pro VPS - S$18.00/month
We can also offer many other Microsoft products including SQL Server, SharePoint Server, and much more. Please contact us with your requirements for more details.