Cisco doesnt have any file aside from the ISO file that you can download on their website .
2 ways to download and install the driver
1 Download and install an ISO converter software and use or click the link for the driver software
and use this site to download and install the ISO converter https://www.crystalidea.com/zip-to-iso-converter-convert-zip-archives-to-iso
2. USE window update
Updating the Windows Driver
Perform the following steps to update the LSI MegaSR driver for Windows or to install this driver on an
existing system booted from a standard IDE drive
Step 1 Click Start, point to Settings, and then click Control Panel
Double-click System, click the Hardware tab, and then click Device Manager. Device Manager starts.
In Device Manager, double-click SCSI and RAID Controllers, right-click the device for which you are
installing the driver, and then click Properties.
On the Driver tab, click Update Driver to open the Update Device Driver wizard, and then follow the
wizard instructions to update the driver