Windows Remote Assistance is a tool that allows to connect remotely and control the other operating system. Remote Assistance is a very useful tool for providing assistance when users need help. Remote Assistance sessions require password authentication. In addition, Windows Remote Assistance sessions are secured and encrypted.

You can launch Windows Remote Assistance by clicking the Start menu and typing Windows Remote Assistance and clicking Enter. Windows Vista will automatically launch Windows Remote Assistance. Click Invite someone you trust to help you.

You can send invitation through instant messaging or through email.

Then you must setup a password for your guest user. Please note that the password will not be included in the email invitation. You must manually send the password to the invitee. Enter a password twice and click Next.

Windows Vista will draft the following email:

"Hi, I need help with my computer. Would you please use Windows Remote Assistance to connect to my computer so you can help me? After you connect, you can view my screen and we can chat online. To accept this invitation, double-click the file attached to this message. (If you are running Windows Vista, you can also save the file to a location on your computer. Then you can open Remote Assistance, click Offer to help someone, and then open this file.) Thanks. Note: Do not accept this invitation unless you know and trust the person who sent it."

After your email has been sent, the Windows Remote Assistance dialog will wait for an incoming connection.

You must keep Windows Remote Assistance open or your invitee will be unable to connect.

When your invitee double-clicks the file attached to the message and enters the password they will be able to remotely control your computer.