But make sure you don’t delete any 2400 pixel images while you are at it.- If you take a lot of screen shots on your i Phone, or random images that you don’t intend to keep, search for the images taken with your current i Phone (or any i Phone, or for that matter i Pad, you have ever owned).

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Our colleagues at Macworld US recommend Cat Software’s $30 i Photo Library Manager which costs $30 (£19.50).

That appears to be the case, but if you don’t want the whole of your gigantic library to sync to i Cloud (which will cost you) then we suggest you create a default library that will sync, and a second library for images you don’t want to sync.

Photos for Mac requires Yosemite so the spec requirements will be the same.

The following Macs are able to run Yosemite: The Mac version of Photos will be almost identical to the i Photo and i Pad version.

In this case we recommend giving them 1 star so that you can then search for 1 star images and delete them.

Read next: Best Photos for Mac software plugins & extensions If over the years you have accumulated more than one i Photo library, whether to avoid slow downs, or because you have had to archive photos as you ran out of space you may be wondering if you will be able to combine your photo libraries in Photos. If you have multiple i Photo libraries, you hold down the Option/Alt key while launching Photos and then, in the Choose Library window that appears, select which library to use. However there are apps you can use that will help you combine your i Photo library before you import it to the Photos app.

Alongside all the new features found in Mac OS X Yosemite, Apple promised us a brand-new app for OS X called Photos.

Photos for OS X will provide all the features of Photos for i OS, which arrived with i OS 8 last September, to Mac users.

Also read: How to set up Photos for OS X, tips for using Photos for Mac | Yosemite tips for beginners and Yosemite tips for pros | And here's what's coming in the next version of OS X... If you update Yosemite to OS X 10.10.3 of later, Photos will arrive on your Mac.

You may also want to know how to uninstall Photos for Mac.

Now Photos for Mac is available - as part of the latest update to Mac OS X.