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 the Protection tab, make sure SCAN FOR ROOTKITS is green. If it isn't, slide the bar to the right. Also download the ADW Cleaner below.

MALEWAREBYTES. 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.

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:

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

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