. You can find the necessary software on their dedicated support pages: Official Product Page Retail in Operation RPP325 page contains sections for: Windows Drivers : Compatible with Windows 11, 10, 7, XP, and Vista. Specialized Drivers : OPOS, JPOS (JavaPOS), and Linux support. Mobile Support
Windows 11 version 24H2 introduced a new security feature called Windows Protected Print Mode (WPP) that can block some older printer drivers. If you encounter this issue, you may need to disable WPP temporarily, install the driver, and then re‑enable WPP. Consult your IT administrator before making these changes. Rio Rpp 325 Printer Driver Download