![Fix for "this version of macOS [10.15.7 or 10.14.6] cannot be installed on this computer." - YouTube Fix for "this version of macOS [10.15.7 or 10.14.6] cannot be installed on this computer." - YouTube](https://i.ytimg.com/vi/I9RNZtCKQ7o/hqdefault.jpg)
Fix for "this version of macOS [10.15.7 or 10.14.6] cannot be installed on this computer." - YouTube
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![Any ideas why the top bar and dock aren't transparent and the dock has this white line around it? 2011 iMac ATI Radeon (never had this issue on the ATI Radeon on Any ideas why the top bar and dock aren't transparent and the dock has this white line around it? 2011 iMac ATI Radeon (never had this issue on the ATI Radeon on](https://i.redd.it/psbd7zlhvfa51.jpg)
Any ideas why the top bar and dock aren't transparent and the dock has this white line around it? 2011 iMac ATI Radeon (never had this issue on the ATI Radeon on
![Review: macOS Catalina 10.15 is what Apple promised the Mac could be, and is a crucial upgrade | AppleInsider Review: macOS Catalina 10.15 is what Apple promised the Mac could be, and is a crucial upgrade | AppleInsider](https://photos5.appleinsider.com/gallery/33078-57514-CatalinaMap-xl.jpg)