You do know that "reboot" is restarting your computer, or shutting it off and turning it back on... both of which do nothing to your installed programs?
Do you mean you are going to wipe your hard drive and install everything fresh?
If the 2nd, you need to deactivate before wiping, then do your fresh install
-http://helpx.adobe.com/x-productkb/policy-pricing/activation-deactivation-products.html
Download & Install instructions https://forums.adobe.com/thread/2003339
-kglad links in reply #1 here https://forums.adobe.com/thread/2296468 may help
-you will need to enter your original serial number during install for non-Cloud programs
-download Lightroom https://helpx.adobe.com/lightroom/kb/lightroom-downloads.html
-Cloud desktop http://helpx.adobe.com/creative-cloud/help/creative-cloud-desktop.html
-Cloud Getting Started https://helpx.adobe.com/creative-cloud.html
-Membership questions and problems https://forums.adobe.com/thread/1146459
-Direct download and link for a DVD https://forums.adobe.com/thread/2285408
Also go to https://forums.adobe.com/community/creative_cloud/creative_cloud_faq