Some recent changes mean that the new version no longer works on some older operating systems. The last version of Logger Pro to support Windows XP is Logger Pro 3.8.7. This can be downloaded by licensed owners of Vernier website accounts. The same system allows you to download Logger Pro any time or e-mail a download link to students as needed. Sign up for free at:

If you have other older operating systems, we have a chart that shows which versions work together at: