Hi everyone,I want to open port 443 in my computer to make me use Microsoft Virtual Labs and test drivesPlease , I want to know how can I do this ?

Make an exception in whatever firewall you're using. If using the built-in Windows Firewall, see the very last section of this Knowledge Base article:http://support.microsoft.com/kb/842242MS-MVP - Elephant Boy Computers - Don't Panic!