Does OS X 10.10 Yosemite version exist?
 

i accidentally deleted the displaylink program from an older macbook pro and nowhere can i find a version that can be installed on osx 10.10. yosemite Could someone help me?

Hello,

Thank you for reaching out!

We have drivers available for downloads all the way down to OS v10.6. You have to expand Legacy section at the bottom of the page to see them:
https://www.displaylink.com/downloads/macos

The highest version available for Yosemite 10.10 is driver v2.5 available here: https://www.displaylink.com/downloads/file?id=117

Best regards,
Katarzyna