There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared. Programs released under this license can be used at no cost for both personal and commercial purposes. Open Source software is software with source code that anyone can inspect, modify or enhance. Freeware products can be used free of charge for both personal and professional (commercial use). CCleaner Pro version helps you get to work or play faster by letting you disable unneeded programs.įreeware programs can be downloaded used free of charge and without any time limitations. Many programs run silently in the background when you start up your computer. CCleaner’s patented registry cleaner clears out this clutter to make your PC more stable. Over time your registry can become cluttered with errors and broken settings which lead to crashes. Regularly cleans junk files to keep your computer running smoothly.Ĭlears history and cookies when you're not using your web browser. It erases your web browser search history and cookies so any internet browsing you do stays confidential and your identity remains anonymous. It cleans up these files and makes it faster instantly.Īdvertisers and websites track your behavior online with cookies that stay on your computer. Is your computer running slow? As it gets older it collects unused files and settings which take up hard drive space making it slower and slower. CCleaner updates your software automatically to close security holes before they can be found. Old software can have vulnerabilities, which are quickly discovered and shared amongst cybercriminals.

CCleaner Pro updates once a month to stay on top! Outdated apps are a security risk. These are some of the features you get with CCleaner Pro:

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