Open powershell and install the iis windwos feature
mkdir c:\inetpub\certs
New-WebVirtualDirectory -Site "Default Web Site" -Name "certs" -PhysicalPath "c:\inetpub\certs"
Open the IIS manager
Expand the Sites and expand the Default Web site.
Right click and create new virtual directory
Create the directory and name it certs. Select the path c:\inetpub\certs
After this, select the new virtual directory and select the icon named Directory Browsing
In the right pane, enable directory browsing