Photo finder program or app for PC or USB stick

Hi. I have 1000’s of photos and vids scattered on my PC hard drives. Does anyone please know of a good, safe app or program to run on memory stick or/ and a PC that searches, locates and stores all photos, vids etc. Thank you in advance.

XnView MP is a versatile and powerful photo viewer, image management, and image resizer. XnView is one of the most stable, easy-to-use, comprehensive photo editors. All common picture and graphics formats are supported (JPEG, TIFF, PNG, GIF, WEBP, PSD, JPEG2000, OpenEXR, camera RAW, HEIC, PDF, DNG, CR2).

XnView MP is provided as FREEWARE (NO Adware, NO Spyware) for private or educational use (including non-profit organizations).
If you enjoy using XnView, Don’t hesitate to help the developer with a small donation.

Here is a YouTube video that discusses the photo USB sticks.

Thank you for your reply, this is really good information.