CEVAP:

the Orkhon script (Starting with the Kok Turks, it was used by many Turks until the tenth century)

Aramaeo-Syriac script (related to the Hebrew and Arabic alphabets) - (Uighurs used it)

the Arabic alphabet (After becoming Muslims, Turks started using it.)

the Latin script (In modern Turkey, Azerbaijan, Turkmenistan and Uzbekistan variations of the Latin script are used.)

the Cyrillic script (Kazakhs and Kyrgyz still use variations of the Cyrillic script that the Russians imposed on them during the Stalinist era.)