Download this file
https://drive.google.com/drive/folders/1u5wEPFJi3E_h8vFVnG0wUnKeT_YGsRZ1?usp=share_link
After downloading follow these steps:
1) Open uniws folder and lauch uniws.exe
2)Locate prince of persia folder and enter preferred resolution and click on patch.
3)Go to game folder and open Hardware.ini and change CanStretchRect=1 to CanStretchRect=0.

1)Start the game and minimize it.
2)Open task manager and find POP2.EXE
3)Right click on POP2.exe in task manager and go to details where you can find PID number of POP2.EXE.
4)Open Win+r and insert the line(Example if you instealled steam on Local Disk C then type:
("C:\Program Files (x86)\Steam\GameOverlayUI.exe" -pɪd ***** -manuallyclearframes 0)
Copy the above path exactly of GameOverlayUI.exe and insert the PID number in place of ***** and run the game.
5)After that maximize game and you can see the steam overlay is enabled.
6)Repeat the process each time because PID of the game changes everytime you launch the game.

1)To get Complete Video Gallery in Extra features section from Main menu,both the endings must be done.
2)Do not collect the water sword until the end so that it is easy to do both endings one after the other and save the game.

Save file includes both the endings +(All the Video+Artwork+Weapon Gallery)

https://drive.google.com/drive/folders/1tcgrfIPPCF5V7_BOehKoKqsLWkJgc4Yd?usp=share_link