If you previously purchased Nitro Pro 10, check your Nitso account dashboard at gonitro.com/support . Legacy installers are sometimes available for paying customers.
Nitro Software, Inc. operates on a lifecycle policy similar to many software vendors. nitro pro 10 download 64 bit
You are trying to install the 32-bit version on a 64-bit PC, or vice versa. Fix: Download the correct architecture. If you see this, you likely need the 64-bit installer. If you previously purchased Nitro Pro 10, check