Minimum 3 GB for MATLAB alone; 5–22 GB for a typical installation with multiple toolboxes. SSD is highly recommended.
The installation process for R2018b can be completed via an online installer or using pre-downloaded ISO files. install matlab 2018b
Check the box next to (this is the core system required to run anything). Minimum 3 GB for MATLAB alone; 5–22 GB
Windows 10 (64-bit), Windows 7 SP1 (64-bit), Windows Server 2016, or Windows Server 2019. Minimum 3 GB for MATLAB alone
3 GB for MATLAB only; up to 22 GB for full toolboxes. Step 1: Download the MATLAB 2018b Installer