Question: How to Create / Register / Sign up FREE Microsoft Account to access to Outlook.com, Microsoft OneDrive, Office 365, Skype, or Xbox Live?
Step 1: Go to Microsoft Account page.
Step 2: Click Sign In on the top right.
Step 3: If you already have a Microsoft Account, try entering your email address and click Next. Otherwise click Create One link.
Step 4: On Create Account page, you can create new account using any existing email address or you can click Get a new email address.
Step 5: Create password to protect your account with and click Next.
Step 6: Microsoft will send you an email with security code for verification purpose. Open your email and click Verify your email address link or copy the security code from the email then paste it to Verify Email page and click Next.
Step 7: Solve the Captcha on the next screen and then click Next.
Step 8: Microsoft Account created successfully, now you can use this account to access to all Microsoft services like Windows Store, Outlook.com, OneDrive, Skype and Xbox Live.
Additional Reference: Microsoft Account Help