i bought x1mk3 and i need traktor 3.10 to use but i have traktor 3.08
And I cannot install thé version 10
You need the latest version of Native Access to install the latest version of TP3, TP 3.11.1 to be exact.
Which operating system? And which version? Some versions of macOS don‘t support Traktor Pro newer then 3.8.0.