You can also look for the series on online marketplaces or DVD stores that sell Pakistani TV series. This way, you'll be supporting the creators and getting a legitimate copy.
You're looking for the full movie of Sultan Salahuddin Ayyubi in Urdu!
You can try checking PTV Home's official website or social media channels to see if they have made the series available for streaming or download.
You can search for the series on YouTube, where some channels have uploaded the episodes. However, be aware that these uploads might be taken down due to copyright issues.