Windows to Mac

I have a current license for my PC but i am moving to Mac. How do i move my license over?

The process will be different depending on which licence you have, and when you purchased it:

Is your current licence for Pro, Pro Plus, or Premium?

How many characters including the dashes are there in your licence key?

(Older keys have 24, newer keys have 20).

CCleaner Professional Plus

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				<span>24 digits</span>
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				<span>Thx for reply <span class="ipsEmoji">?</span></span>
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OK, the 24 character key is one of the 'old style' keys which indicates that your CCleaner Pro Plus licence was/is for 3 PC's

The newer 20 character Pro Plus licences are for 3 devices, so they can be used on PC, Mac, and Android alike.

It's a small but significant difference.

I does mean that if you want to use the time remaining on your existing licence, but transferred so you can use it on a Mac, you will have to get a new style Pro Plus or Premium licence, and have the existing time added to that new licence.

See here for an explanation of how to do that:

Once you do have a new style key then you can use that same key to activate CCleaner on any combination of PC, Mac, or Android devices.

Just download/install CCleaner Free to the device and use the key to register/activate it as Pro.

Thanks for your reply but I don't understand why my license cannot be converted to a 20 digit license. Did I pay less for it than a new 20 digit license? Can I cancel the old pc license and transfer it to the Mac?

It's just that at the time when you first purchased the licence it was for a different thing than the current licences are.

ie. you purchased a different product.


Once that licence runs out and you renew then it should be changed to a new style licence/key.





However I do note that in his post <a contenteditable="false" data-ipshover="" data-ipshover-target="<___base_url___>/profile/85124-davejustdave/?do=hovercard" data-mentionid="85124" href="<___base_url___>/profile/85124-davejustdave/" id="ips_uid_1248_7" rel="">@DaveJustDave</a> does stress <em>"Customers who <strong>manually </strong>renew".</em>


Which leads me to assume that if you have an auto-renewing subscription then it will just extend the existing licence without changing it to a new one.


TBH people with only PCs would not notice - unless/until they later came to try and activate it on a Mac or Android device like you now want to do.

If you have had an auto-renewal of your 24 digit Pro Plus licence since August 2022 then I'd suggest contacting support and asking for it to be changed F.O.C. to a 20 digit one so that you can use it on Mac (& Android) devices as well as PC.

I don't see why they shouldn't do that if/when asked.

(Of course if you first got your existing 24 digit licence after August 2022, maybe from somewhere other than Piriform, then that may be a different matter).

You can use the form here to raise a support ticket: https://support.ccleaner.com/s/contact-form?language=en_US&form=general

Or you can email them directly: support@ccleaner.com

Please be aware that support are very busy at the moment and although you will get a ticket number when using the form, and an acknowlegement email, it's taking much longer that usual for a person to reply.