Add spaces: octoprint:Responsivewebinterfacefor3Dprinters,784daysinpreparation,lastactivity539daysago.

Answer: octoprint: Responsive web interface for 3D printers, 784 days in preparation, last activity 539 days ago.

Add spaces: SelectControlPanelandclickUninstallaprogram(findunderPrograms).

Answer: Select Control Panel and click Uninstall a program (find under Programs).

Add spaces: Heretiredon16June1833,askingtobepensionedoff,andforashorttimewenttolivewithhisfather.

Answer:
He retired on 16 June 1833, asking to be pensioned off, and for a short time went to live with his father.