Refined the build:
PCPartPicker Part List
CPU: Intel Core i5-11400 2.6 GHz 6-Core Processor ($149.99 @ B&H)
Motherboard: Asus PRIME Z590-P ATX LGA1200 Motherboard ($188.00 @ Amazon)
Memory: Corsair Vengeance RGB Pro 32 GB (2 x 16 GB) DDR4-3600 CL18 Memory ($94.99 @ Amazon)
Storage: Samsung 970 Evo Plus 1 TB M.2-2280 PCIe 3.0 X4 NVME Solid State Drive ($69.98 @ Amazon)
Video Card: MSI D6 VENTUS XS GeForce GTX 1650 G6 4 GB Video Card ($154.99 @ Newegg)
Case: GameMax Contac Turbo COC ATX Mid Tower Case ($71.99 @ Newegg)
Power Supply: SeaSonic FOCUS Plus 650 Gold 650 W 80+ Gold Certified Fully Modular ATX Power Supply ($84.99 @ Newegg)
Total: $814.93
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2023-10-04 11:49 EDT-0400
Few words;
CPU - Unless you can give exceptionally good reason why build has to contain Core i9, there is no point going for one. Based on description, build is used as an office PC, where Core i3 would be more than enough. But put in Core i5 for a bit better performance. Still, way too much for any office build.
CPU cooler - Since CPU is i5-11400, CPU cooler comes with it. So, no need to waste money on aftermarket CPU cooler.
MoBo, RAM - Didn't change those.
SSD - Build didn't have OS drive. So, put in great M.2 drive from Samsung. 1TB in size. (I have very same drive as my OS drive but mine is 2TB.) 2TB drive costs 97 bucks. If no OS drive is needed, remove it and save 70 bucks.
GPU - Changed it to better performing GPU thanks to money saved on CPU. GTX 1650, while miles better than GT 1030, can actually do comfortable gaming at 1080p reso.
GT 1030 vs GTX 1650 comparison:
https://gpu.userbenchmark.com/Compare/Nvidia-GT-1030-vs-Nvidia-GTX-1650/m283726vs4039
GPU max digital reso is 8K (7680x4320). So, if no gaming is done on the PC, you can use up to 8K monitor just fine with this GPU. On top of that, GPU also has a white shroud, matching the MoBo heatsinks (nice black&white theme)
GPU specs:
https://www.msi.com/Graphics-Card/GeForce-GTX-1650-D6-VENTUS-XS-OCV1
PC case - Didn't change it. Also since it's personal choice and others can't pick the case for someone else. Though, cute pink case. I guess your friend is female.
PSU - Put in good quality Seasonic unit. In 650W range since it's cheaper that 550W unit. Thing with PSU is, that since it powers everything, it is
the most important component inside the PC. And thus, you'll never want to cheap out on PSU, like you tried with the low quality, borderline crap quality Tt Smart series PSU.
If your PSU is crap, then none of the other components matter. Because when low quality PSU dies, it has the magical ability to fry everything it is connected to (aka the whole PC). Heck, i wouldn't even suggest using low/crap quality PSU for my worst enemy, let alone to a friend.
Build comparison;
Your initial build as Baseline, my refined build as Alternative:
Userbenchmark PC Build Comparison
Baseline Bench: Game 24%, Desk 99%, Work 25%
CPU:
Intel Core i9-10850K
GPU:
Nvidia GT 1030
SSD:
Samsung 970 Evo Plus NVMe PCIe M.2 1TB
RAM:
Corsair Vengeance LPX DDR4 3600 C18 2x16GB
Alternative Bench: Game 49%, Desk 101%, Work 46%
CPU:
Intel Core i5-11400
GPU:
Nvidia GTX 1650
SSD:
Samsung 970 Evo Plus NVMe PCIe M.2 1TB
RAM:
Corsair Vengeance LPX DDR4 3600 C18 2x16GB
Note: Since your build didn't contain SSD, i had to include it in the build comparison for results to be shown. Put in the same SSD as in my refined build for equal comparison.
My refined build is more balanced overall and does better in all metrics: gaming use, desktop (office) use and workstation use. While costing the same as your initial build (or less, if you remove SSD). Also, looks a bit better since GPU matches MoBo.
OP specifically said that the build isn't for gaming, instead of office use. Yet 
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