Is it possible to install Mojave OS?

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Questions & Answers: Refurbished: Apple A Grade Desktop Computer iMac 27-inch (Retina 5K) 3.2GHZ Quad Core i5 (Late 2015) MK462LL/A 8 GB 1 TB HDD 5120 x 2880 Display Dual Boot Sierra/Windows 10 Pro Keyboard and Mouse

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Apple A Grade Desktop Computer iMac 27-inch (Retina 5K) 3.2GHZ Quad Core i5 (Late 2015) MK462LL/A 8 GB 1 TB HDD 5120 x 2880 Display Dual Boot Sierra/Windows 10 Pro Keyboard and Mouse

Apple A Grade iMac (Late 2015)
3.2GHZ Quad Core i5
8 GB DDR3 RAM 1 TB HDD
Dual Boot Sierra/Windows 10 Pro
27"Retina 5K 5120 x 2880 Display
AMD Radeon R9 M290
Includes Keyboard and Mouse

$552^.59 –