my computer crashed and i need to install my program on my new computer

First, you need to remove your existing activation

Be sure to ONLY ask for activation support to adjust your activation count

Serial number and activation support (non-Cloud) https://forums.adobe.com/thread/2041990

Second, You install programs exactly the same way you did the 1st time... put your disc in the drive and enter your serial number when asked

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Download & Install instructions https://forums.adobe.com/thread/2003339 may help

-includes a way to go to a page to download Adobe programs if you don't have a disc or drive

-you will need to enter your original serial number during install for non-Cloud programs

-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

-or kglad links in reply #1 here https://forums.adobe.com/thread/2203126 may help

-for Lightroom https://helpx.adobe.com/lightroom/kb/lightroom-downloads.html

Also go to https://forums.adobe.com/community/creative_cloud/creative_cloud_faq