can i copy the iMovie 10.1.2(on high sierra) app from my wifes MacBook to my 2009 Mac Pro as i have the 08 version of iMovie and it has the black screen problem so is unuseable,the app was installed when i bought the computer 10 years ago and i can't upgrade to the newest version from the App Store as my mac can't be upgraded past high sierra due to not having a compatible video card, thanks
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