The word Instaled is misspelled against Installed, which is past tense of "Install"
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Installed has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings insta & ed which should not be misspelled with single 'L'
Wrong Spelling: insta-l-ed
Correct Spelling: insta-ll-ed
Explore spell check of Installed to spell without errors.