QUES: If your PC opens the MOD file but its the wrong application youll need to change your Windows registry file association settings In other words Windows is associating MOD file extensions with the wrong software program

correct the punctuation.

CORRECTED: If your PC opens the MOD file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating MOD file extensions with the wrong software program.

QUES: His book Science and the classics discusses improvements to the town which he considered destroyed its beauty

correct the punctuation.

CORRECTED: His book Science and the classics discusses "improvements" to the town which he considered destroyed its beauty.

QUES: In comparison 52 percent in Hong Kong saw bigger budgets this year as did 50 percent in Australia

correct the punctuation.

CORRECTED:
In comparison, 52 percent in Hong Kong saw bigger budgets this year as did 50 percent in Australia.