It's kind of unbelievable, you got 12 month free usage of popular services. Just forget about all VM's, servers and all this stuff you have at home:-)
Click on Start free button
If you already have en Microsoft account then log in or choose Create one!
Read my blog here how to create Microsoft Account or just proceed
Click on Get a new email address
Choose new email
Create a password. If you want to get information from Microsoft, select the check the box. Click the Next button
Enter the characters you see
Fill out the form
Then specify your card information, don't be afraid it is only used as Microsoft tell you to verify your identity
Fill out and click Next
You have to agree to the subscription agreement, offer details, and privacy statement.
Click on Sign up and click on Go to the portal green button
And voilà, you are done!