How I can set up my Linksys router without using a CD?

You can set up Linksys router using Linksys Connect Setup Software from the Linksys Support Site. For this, you need to support your computer first to network with an active Internet connection or directly to the modem.

You can follow the below mentioned steps to set up your Linksys router:

Firstly, Go to https://www.linksys.com/us/support/
Enter the model number in the search bar.
Click on the DOWNLOADS / FIRMWARE
Select the hardware version.
Locate the location and click download.