Installing Chrome theme from Chrome’s Themes Gallery is really easy the only part is how you change your chrome theme or how you Uninstall yours chrome theme . Here’s how
To Uninstall chrome theme or to remove the theme’s .crx file from your computer go to address bar or url bar and type chrome://extensions/ in and hit enter . Once you hit enter all the installed theme will be displayed in front of you with the option to uninstall them.
You can also remove theme from wrench menu , click on wrench menu Select Options Click the Personal Stuff tab In the Themes section, click Reset to default theme.
Click on Uninstall button to uninstall them as show in image above ,You can reinstall all these theme again from Chrome’s Themes Gallery .