Changes

In 1983, Paul Allen was diagnosed with Hodgkins disease and resigned as executive vice-president, but he remained member of the board. Jon Shirley became president of Microsoft and later assumed as CEO. Microsoft also introduced the Microsoft Mouse and Word for MS-DOS 1.00.<ref>[http://www.fundinguniverse.com/company-histories/Microsoft-Corporation-Company-History.html Paul Allen Resignation]</ref>

In 1983, Paul Allen was diagnosed with Hodgkins disease and resigned as executive vice-president, but he remained member of the board. Jon Shirley became president of Microsoft and later assumed the role of CEO. Microsoft also introduced the Microsoft Mouse and Word for MS-DOS 1.00.<ref>[http://www.fundinguniverse.com/company-histories/Microsoft-Corporation-Company-History.html Paul Allen Resignation]</ref>

===Initial Public Offering===

===Initial Public Offering===