After you install Windows Live OneCare, you can use it free during a 90-day trial period. After the 90-day trial period, you must activate Windows Live OneCare or purchase a one-year subscription. The subscription lets you install and activate Windows Live OneCare on up to three computers. If you purchase a copy of Windows Live OneCare, you do not have to purchase a subscription. A one-year subscription is included in the software purchase price. You must have a Windows Live ID to activate Windows Live OneCare.

Important

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When you activate Windows Live OneCare, you must use the same Windows Live ID that was used to install Windows Live OneCare.

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You must be logged on to your computer as an administrator to activate Windows Live OneCare. For information about how to log on to your computer as an administrator, visit the following Web site: http://help.live.com/help.aspx?market=en-us&project=onecarev1_6&querytype=topic&query=onecare_proc_requires_admin_account_permissions.htm (http://help.live.com/help.aspx?market=en-us&project=onecarev1_6&querytype=topic&query=onecare_proc_requires_admin_account_permissions.htm)

To activate Windows Live OneCare, follow these steps:

1.	Open Windows Live OneCare, and then click Activate.
2.	In the Computer Name box, type your computer name, and then click Next.
3.	If you have a Windows Live ID, click Yes, and then click Next. If do not have a Windows Live ID, click No, and then click Next to create a Windows Live ID.
4.	In the Windows Live OneCare Activation wizard, type your Windows Live ID and password, and then click Sign in.
5.	Click Continue online, click one of the following options, and then follow the prompts: • Subscribe Now Click this option if you downloaded and installed the 90-day trial version. • Activate a token Click this option if you purchased Windows Live OneCare at a store. When you are prompted for the prepaid PIN, use the 25-character product key. The product key is listed on a sticker on the back of the disc holder inside the Windows Live OneCare box.
6.	After you set up your account in the Windows Live OneCare Activation wizard, click Next, and then click Finish.

Note Windows Live OneCare 1.5 does not support 64-bit versions of Microsoft Windows XP and Windows Vista. Windows Live OneCare does support 32-bit versions of Microsoft Windows XP and Windows Vista.