If not, install it using RPM . If you don't know how to use RPM, this reference guide ought to help. I will use kernel 2.2.13 for my examples . I usually remove or rename the existing linux subdirectory there. I recommend that you perform the kernel configuration in X-Windows.
Type make xconfig .
In case you aren't already an experienced kernel-compiler, I've included my kernel configuration file for kernel 2.2.13 here . If I left out a kernel option you like or need, it's not my problem . OK, click on Save and Exit . Create symlinks that point to these two files. Now go ahead and reboot.