MICROSOFT'S FREE ANTI VIRUS PROGRAM called Security Essentials. For Vista 7. 8 10 .MAKE SURE you are installing the right version for your windows, 32 bit system download the x86 file, 64 bit systems use the x64 bit version. If you are not sure which you have, open the control panel and then open SYSTEM and it will tell you 32 or 64 bit. Download from here.

MALEWAREBYTES. CLICK HERE TO DOWNLOAD it. This free version requires you to run it each week. Open the Settings tab and check the box to look for ROOTKITS. YOU DON'T HAVE TO PURCHASE THIS PRODUCT unless you want to purchase it. . BEFORE YOU SCAN, open the settings page and on theProtection tab, make sure SCAN FOR ROOTKITS is green. If it isn't, slide the bar to the right.

ADWCLEANER frees your computer of unwanted programs and malware, including adware, toolbars, and more. Regardless of how these programs ended up on your computer, this app can remove them quickly and smoothly.

Also use RKILL

Get the free Anvi Smart Defender program: Delete stubborn adware programs. A quick scan is ok but do a FULL SCAN quarterly since it takes a long time to run. Change the setting to automatically remove infections after scanning.

Use System Mechanic for Windows. Free program. Download using the green box download now link.;contentBody;1d

Recover product keys for installed programs

Need to find out the product key for the Microsoft applications, third-party software, games and even Windows? There are a number of utilities that will recover these keys for you quickly and easily - and for no cost. One such freeware tool is Soft Key Revealer. You can download it here:

Download a free hard disc defragmenter that is better than the windows version. Click here.

Run System restore from a command prompt in safe mode: %systemroot%\system32\restore\rstrui.exe enter this after the C:\ command prompt.

Download a free power point viewer program from Microsoft. Click here.

Receive a free email advisory from the US Homeland Security Office reporting on new viruses. Click here.

Do you have a high speed internet connection and you're interested in space? Experience Microsoft's WorldWide Telescope. Immerse yourself in a seamless beautiful environment. WorldWide Telescope (WWT) enables your computer to function as a virtual telescope, bringing together imagery from the best ground and space-based telescopes in the world. Experience narrated guided tours from astronomers and educators featuring interesting places in the sky. A web-based version of WorldWide Telescope is also now available for preview. This version enables seamless, guided explorations of the universe from within a web browser on PC by using the power of Microsoft Silverlight 2.0. Get it free! Click here. Want to find out when the Space Shuttle or the International Space Station will be flying over your house? Check here!

Download this free Belarc Advisor program to get all of the info on your system. Click here.

Would you like to check-out live camera feeds 24 hours a day from around the world? Check-out Earth Cam.