Are you trying to in version 11.0.1, or do you need help finding the installer ?
Crashing during playback or when using specific third-party plugins. Adobe Premiere Pro CC 2017 11.0.1
If you are looking for the technical "piece" (patch or update) for , it is primarily a maintenance update released to address critical bugs and improve stability for the initial 2017 release. Release Overview Are you trying to in version 11
Windows 7 (SP1), 8.1, or 10 (64-bit); or macOS 10.10 or later. or 10 (64-bit)
Improved reliability when importing certain types of high-resolution footage.