I Can't Download iMovie 2 Apple iMac Catalina 10.15.7, Macintosh Fusion? The Specs Are Listed Below

I recently purchased an upgraded Apple 27" iMacOS Catalina 10.15.7 Macintosh Fusion. Release date 2012. When I tried to download iMovie from the app store, the message says the following:

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iMovie can't be installed on Macintosh Fusion, because macOS version 13.4 or later is required

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I'm not computer wiz. I was told iMovie was compatible with all Mac's. I've been to **** and back trying to figure out a way to download it. I only purchased it, so I could edit videos using iMovie. It won't even allow me to download OBS or FinalCut Pro either. It look like all the apps use to be on here before (iMovie through iLife), but now they're all gone. I hate to send it back, because I really love the Mac. I have 2 more months to decide if I want to send it back for a refund. I paid $649 plus taxes for it. I was so happy, when I received it, but now I'm depressed and stressed. If there are any suggestions, I would greatly appreciate it.

Apple iMac Slim 27 - QUAD CORE i7

3 YEAR WARRANTY INCLUDED + KEYBOARD AND MOUSE

***$2499 ORIGINAL RETAIL PRICE***

HIGH END UPGRADED QUAD CORE 3.4GHZ INTEL CORE i7 

TURBO SPEEDS OF UP TO 3.9GHZ

UPGRADED 16GB RAM 

NVIDIA GEFORCE GTX 675MX 1GB GRAPHICS CARD 

3TB SSD FUSION DRIVE (3000GB)

***FREE SHIPPING - HIGH END CORE i7***

This listing is for an Apple iMac 27" Slim All-in-One Desktop. These iMacs have been rigorously tested by our certified Apple Mac Technicians and come ready to go with a clean install of MacOS 10.15.

3 YEAR WARRANTY INCLUDED - Our 3 Year Warranty is a limited warranty that includes 90 Days of full coverage. After that period we cover any labor costs at no additional charge for repairing the unit for the remainder of the warranty.

YOUR SATISFACTION MATTERS

Item Specifications

iMac 27" All-in-One Slim

3.4GHz Intel QUAD Core i7 w/TurboBoost Speeds up to 3.9GHz

16GB of DDR3 RAM

3TB SSD Fusion Storage (Solid State Fusion Drive)

Two Thunderbolt 2 Ports 

Four USB 3.0 Ports

SD Card Slot

3.5mm Audio Jack

Gigabit Ethernet Port, Bluetooth 4.2, WiFi

Model Release Date (Model Identifier 13,2) Sold from 2012-2013 Upgraded to 2023 Spec!

3-YEAR WARRANTY INCLUDED

60-DAY MONEY BACK GUARANTEE

BUY WITH CONFIDENCE!