How do I restore the older Photos app?

Computer Type: Laptop
System Manufacturer/Model Number: HP Spectre x360 Convertible 15T-eb100
OS: Version 21H2 (OS Build 22000.1455)
CPU: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz 2.70 G
Motherboard: HP 8812 Version 55.19
Memory: 16.0 GB (15.6 GB usable)
Graphics Card: Intel(R) Iris(R) Xe Graphics (iRISx) - discrete graphics
Browser: Chrome
Antivirus: Norton

Computer Type: Laptop
System Manufacturer/Model Number: Toshiba Satellite L750
OS: 10 Home x64 (22H2) (10 Pro on 2nd pc)
CPU: Intel Pentium B950 @2.10GHz
Memory: 8GB
Internet Speed: 50Mbps down, 10Mbps up
Browser: IE/Edge/Firefox
Antivirus: Defender
Other Info: ...other laptops include: Dell Latitude E7270, 6th gen i7, 16GB RAM, Windows 10 Pro. Dell Latitude 5410, 10th gen i7, 32GB RAM, Windows 11 Pro. main use is to run Hyper-V VMs including XP, W7, W8.1, W10 & W11

Computer Type: Laptop
System Manufacturer/Model Number: Samsung R519
OS: 10 Pro x86 (22H2, 21H1, 20H2, 2004, 1909, 1903, 1809, 1803, 1709, 1703, 1607, 1511, 1507), 7 Pro x86
CPU: Intel Pentium T4300 2.10GHz
Memory: 4GB
Other Info: Test/support machine - uses multiple Macrium images to switch OS.

Computer Type: Laptop
System Manufacturer/Model Number: Asus VS702GL
OS: Win 10 Pro x64
CPU: I9
Motherboard: Asus
Memory: Can not remember. 32.0GB. hmmm
Graphics Card: 1070
Monitor(s) Displays: Asus 27" PG27
Screen Resolution: I can see the sun
Keyboard: Telepathic
Mouse: Logitech M380 Trackball. There is no other.
PSU: More HP Crap
Case: I wish
Cooling: How hard can you blow???
Hard Drives: Your kidding right ??? SSD or go home..
Internet Speed: Turtle
Browser: Tor, Firefox, Light
Antivirus: Will it prevent Covid19 ???