How to run Dungeon Siege 1 and Dungeon Siege 2 on Windows 7/8/8.1 that will fix flickering and tearing

STAGE 1: Configure your graphic card setting via graphic card control panel
1. Open your graphic card control panel
2. Go to 3D setting
3. Add "dungeonsiege.exe"
4. Disable or turn off any 3D enhancement
5. Click "Apply"

STAGE 2: Edit Steam Game Launcher
1. Open Steam
2. Right Click on Dungeon Siege
3. Select Properties
4. Uncheck "Enable Steam Overlay while in game"
5. Click "Set Launch Option..."
6. Enter this string

bltonly=true width=1366 height=768

Note: You change the width and height base on your system resolution

7. Click "Ok"
8. Create desktop shortcut"

STAGE 3: Edit ini file
1. Right click on Dungeon Siege shortcut on desktop
2. Open File Location
3. Run DSVideoConfig.exe
4. Select any graphic card that dont have TnL
5. Click OK
6. Double click on DungeonSiege.ini
7. Select the first line and copy
8. Go to your Document folder
9. Open Dungeon Siege folder
10. Double click on DungeonSiege.ini
11. Select the first line and paste
12. Save

Stage 4: Edit Video Option ingame
1. Run Dungeon Siege
2. Select Options
3. Change Shadow setting to "None"
4. Select OK

Credit:
Stage 1 & 4 = Razali Rambli
Stage 2 & 3 = Various source from internet