If you get the SWTOR stuttering or lagging issue frequently, you need to check your PC specs to see if the SWTOR system requirements are met. To make sure a game works properly on your PC, you should meet its system requirements. Solution 2: Check SWTOR System Requirements If you don’t know what to do, the following post might be helpful: 11 Tips to Troubleshoot Internet Connection Problems Win 10. When you encounter Star Wars: The Old Republic lag issue, the first thing you need to do is to check your Internet connection. Solution 1: Check Your Internet Connection There are some solutions and you can have a try if you are facing the same problem. Unfortunately, some players encounter a lag issue while playing the game. Users can play the game on Microsoft Windows. Star Wars: The Old Republic, simply known as SWTOR or TOR, is a massively multiplayer online role-playing game based in the Star Wars universe. Solution 3: Run SWTOR as an Administrator.Solution 2: Check SWTOR System Requirements.Solution 1: Check Your Internet Connection.