It's pretty easy to catch up with your backlog.
Step 1) Buy the game on PC
Step 2) Get a save file from the internet that gets you to the final boss
Step 3) ???
Step 4) Profit
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850