Finally Found the solution of Fresh Installation........ of v2.0
1. Upload the v2.0 zip into server or localhost and unzip
2. Start installation process
3. When you reach at "Step 5" just replace the "InstallerController.php" with v1.7 shared by
@jaytie (app folder -> Http -> Controllers -> InstallerController.php )
Please Note: Don't Replace this file before Step 5.
4. Now click Finish Installation. ( You will be not stuck at Step 5)
5. Now Replace the "InstallerController.php" file again with v2.0
You may find some UI issues in frontend, just clear browser cache, UI issues will be solve.