If the word appears beguinning the sentence. In the related links box below I provided a link with capitalization rules so there is no doubt in your mind.
you spell Lego with a capital l
You have spelled it correctly.
You spelled it correctly.
Luther is usually spelt "Luther", with a capital L.
S-e-a-t-t-l-e You spelled it correctly.
LiarIt is correctly spelled in the question.
You have spelled it correctly.
You have spelled rival correctly in your question.
The correct spelling of Julius is J-U-L-I-U-S.
That is the correct spelling of the word "clumsy" (awkward, ungainly).
actually, you were spelling it correctly in your question. Installed is spelled i-n-s-t-a-l-l-e-d.
The correct spelling is pollution (contamination or impurities).