Windows 10 or 11 (64-bit highly recommended). Processor: 1.5 GHz or faster.
Once your 14-day trial expires, the software typically reverts to a basic "Reader mode". You will still be able to open and view PDFs, but advanced editing and conversion tools will be locked until a license is purchased. System Requirements for Windows 10 64-bit nitro pro free download for windows 10 64 bit
While Nitro Pro is paid software, the company previously offered a dedicated free "Reader." If you only need to view and perform basic annotations, you can still find the Nitro PDF Reader on reputable third-party hosting sites. Windows 10 or 11 (64-bit highly recommended)