Google + Tweaks
Google+ Tweak is an extension for Google Chrome. This extension is a wrapper for the Google+ Tweaks userscript version. It will automatically download the script and keep it up to date.
what is a license key for windows?
A product key is a 25-character code used to activate Windows and help ensure that it is not installed on more PCs than the Microsoft Software License Terms allow.
What is a PC license key?
A license key is a database that verifies access to a licensed software application. This type of software security prevents software theft. And allows organizations to protect their software from being copied or shared with unauthorized licensed users.
How do I install programs?Locate and download a .exe file.
Click on the .exe file and double-click it. (It will usually be in your Downloads folder.)
A dialog box will appear. Follow the instructions to install the software.
You will be able to install the software.