How many computers can I install CCleaner Professional on?

Our Professional and Business products are licensed per computer. If you have purchased CCleaner Professional, you can install it on one machine.

If you uninstall the software, you can install it again on another computer.

Note: If you bought a boxed copy of CCleaner Professional at a retail store, you may be able to install it on more than one computer. Please check the box/packaging for more details.