You need to fulfill these conditions for getting driving license in Belgium :

• Have a Belgian residence card
• Be 17 years of age for the theoretical test, 18 for applying for your permanent driver’s license.
• Pass a theory examination
• Pass a practical examination
• Declare that you are not banned from driving, or that you have passed a reintegration test after a ban.
• Declare that you have no physical disabilities or afflictions. This declaration may be replaced by a compulsory medical examination. The declarations are documents you receive and need to sign when taking the theoretical and practical tests.

https://officiallegitdocuments.com/services/belgian-driving-license