Windows servers use files with the ".pfx" extension that contain both the public key file (SSL certificate file) and the associated private key file.
First, download the certificate using SW Panel.
Access Domains and SSL (left menu) > SSL Certificate Portfolio:
Locate the certificate to download and access the menu [...] Manage (right side) > Download Certificate PFX:
In Windows Server, open the Start Menu, type mmc and run it:
In the Console, select File -> Add or remove add-ons:
Select Certificates and press Add:
Next, you must select Team Account -> Local Team and finally Ok:
You must right-click on Website Hosting -> All Tasks -> Import:
Select the file in .PFX format:
Enter the certificate password (leave it blank if you do not have a password):
Check the boxes Exportable and Include all extended properties:
Check the option Save to the following folder -> Hosting of websites:
In Windows Server, click the Start Menu, type IIS and open it:
Select the Site that will use the certificate and edit the properties of the Site in the Links section:
Add (if it does not exist) a new link: