Material drag and move Lag

When I first create a material and bring in some textures, it lags insanely to the point where my mouse is next to unresponsive and ticks across the screen. I update my graphic driver to latest version and check quality auto in unreal engine 4

This is my dxdiag

System Information

  Time of this report: 12/31/2020, 21:34:52
         Machine name: DESKTOP-P025TKO
           Machine Id: {8FDDA737-B6D6-41B7-B48A-17CACB9A271E}
     Operating System: Windows 10 Pro 64-bit (10.0, Build 18363) (18362.19h1_release.190318-1202)
             Language: Korean (Regional Setting: Korean)
  System Manufacturer: To Be Filled By O.E.M.
         System Model: To Be Filled By O.E.M.
                 BIOS: BIOS Date: 09/18/15 23:29:18 Ver: 05.0000B (type: BIOS)
            Processor: Intel(R) Core(TM) i5-6600 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
               Memory: 8192MB RAM
  Available OS Memory: 8126MB RAM
            Page File: 6200MB used, 8070MB available
          Windows Dir: C:\WINDOWS
      DirectX Version: DirectX 12
  DX Setup Parameters: Not found
     User DPI Setting: 96 DPI (100 percent)
   System DPI Setting: 96 DPI (100 percent)
      DWM DPI Scaling: Disabled
             Miracast: Available, with HDCP

Microsoft Graphics Hybrid: Not Supported
DirectX Database Version: Unknown
DxDiag Version: 10.00.18362.0387 64bit Unicode