I can't upload ZPR.

How can i solve this problem.

Attachments

Безымянный.jpg

For a start, you could upgrade to the latest version of ZBrush. It’s free for registered users:
https://support.pixologic.com/Knowledgebase/Article/View/231/64/upgrading-from-zbrush-4-or-above-single-user-and-volume-licenses