Keep the "Install Microsoft Office add-ins" box checked for seamless PDF creation from within Office apps.
NitroPro9515Setup.exe /quiet /norestart /log install.log
Nitro Pro 9515 (x86/x64) refers to a final release build for Windows that supports both 32-bit (x86) and 64-bit (x64) architectures. A clear, reliable installation process ensures the app integrates with Windows shell, registers PDF handlers, and activates correctly for editing, converting, and e-signing PDFs.
Installing Nitro Pro 9.5.1.5 can be done via the standard installer or an offline package.
Note: Build 9515 is often a "perpetual" license version, meaning no subscription is required after purchase.