Here you can get all precompiled wallets for your OS or even the source code.

https://github.com/PIVX-Project/PIVX/releases



Most interesting part is the conversion from Piv to zPiv



edit: as mentioned by Fuzzballs - 3.0 is a Mandatory Upgrade - till 16th October is time to upgrade.

After 16th older wallets won't mint and secure the network anymore and have to update + make a full resync.