Patches is a bit of software code that can claim when software program is installed and contain an issue so they are used for correcting an issue and fix the bugs and improve performance .
patches when available can be found from software developer’s site so than you can able to improve your software performance .
What Are Unauthenticated Patches (unofficial) ?
When Product reaches their end and company no longer survive in market . so they’re not release their software patches. then some supporter interested to release their own patches to fix software problems . these considered as unauthenticated or unofficial patches .