QUES: Microsoft PowerPoint is a professional presentation program that enables you to create beautiful slides to give presentations

correct the punctuation.

CORRECTED: Microsoft PowerPoint is a professional presentation program that enables you to create beautiful slides to give presentations.


QUES: Have trouble in opening password protected Zip file then find the solution by going through this page

correct the punctuation.

CORRECTED: Have trouble in opening password protected Zip file, then find the solution by going through this page.


QUES: Treatment may involve the use of eyedrops pills rarely laser or surgery

correct the punctuation.

CORRECTED:
Treatment may involve the use of eyedrops, pills (rarely), laser ,or surgery.