At that time you will regret why you won't install TeanViewer or any other remote pc controlling software.
Teamviewer is a simple fast and user friendly remote access gateway over the internet. With user effective interface it's not only won the heart of the professional but also home level users also.
for using this desktop sharing software, two PCs have to "Teamviewer" installed and every computer will be assigned a unique user ID and password then. With the help of this user ID and password you can log on to your home PC from your office or wherever you want.
Other uses of Teamviewer is to arrange a group conversation/presentation over internet from around the world. This is effective for multinational companies to take necessary steps of business. In this event every member will be attended under "Read only" mode and cannot make any changes of host PC.