Do not understand the question
you cannot move hard drive space from c HD to d HD 30GB HD can not become a 60GB HD
If you need HD space on 30gb you will have to install programs on D and move date to D
Explain what you want to do
Huawei MateBook X Pro review
8 digital brands that designed custom typefaces to save millions
How to speed up a slow Mac
Comment résoudre des problèmes d’impressions ?