To flash any roms and tweaks you must use cwmv6.
(for any version of android)
Your phone’s battery must be 50% and higher.
1. Reboot you phone into recovery.(if you don’t have, follow this to install recovery
2. Wipe system and data(go to mounts and storage-format /system and go back, select wipe data/factory reset).
3. Now select install zip from-choose zip from sdcard- choose your rom, and go to yes and flash it(you have to copy rom to sd card)
4. Wait until it flash.
5. Reboot your phone.
Disclaimer: i am not responsible if you brick you device, it will be your mistake.