Please capitalize where necessary: lighting is an essential and intricate part of decor, whether at home or in your workspace.
A: Lighting is an essential and intricate part of decor, whether at home or in your workspace.

Please capitalize where necessary: if your pc opens the hxk file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating hxk file extensions with the wrong software program.
A: If your PC opens the HXK file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating HXK file extensions with the wrong software program.

Please capitalize where necessary: registration 20 january 2009 06:16
A: Registration 20 January 2009 06:16

Please capitalize where necessary: "sharapova had produced her best tennis of the french open tennis fortnight in the first set and a half and her emotion in victory soon became apparent.
A:
"Sharapova had produced her best tennis of the French Open Tennis fortnight in the first set and a half and her emotion in victory soon became apparent.