Your saves are typically located in %USERPROFILE%\Saved Games\Portal Knights . Back this up before applying any future patches.
Open the extracted folder and check the DLC or Add-ons directory. Version 1.7.2 usually bundles all previous content, including the Druid and Rogue classes. Portal Knights Free Download (v1.7.2 & ALL DLC)
Ensure your DirectX and Visual C++ Redistributables are up to date. If the game crashes on launch, check the _Redist folder inside the game directory for these installers. PC System Requirements Requirement Recommended OS Windows 7/8/10 (64-bit) Windows 10 (64-bit) Processor Intel Core i3-2100 Intel Core i5-8400 Memory Graphics NVIDIA GeForce GTX 470 NVIDIA GeForce GTX 970 DirectX Version 11 Version 11 Troubleshooting Tips Version 1
Ensure you have downloaded the full v1.7.2 package. Use a tool like WinRAR or 7-Zip to extract the folder to a location on your drive with at least 8GB of free space. Portal Knights Free Download (v1.7.2 & ALL DLC)