File/Change Directory  then browse

edit;  sorry i thought you were referring to the data drive. 

You may have to call tech support.  I think the default on   installation is C:

EDIT:  I misread...youre installing 2024 and want it on the D drive?  I could have sworn it gave an option of where to install it right at the very beginning of the installation process.

If your C drive is that full, you may want to upgrade now before the season starts getting crazy.  My C drive got too full also! My D drive had over 800G of space left, but I was stuck, no matter how much I deleted from C it was still too full.   I couldnt get anymore Windows updates, my system was close to 8 years old, it was time to upgrade anyhow!

The minimum requirements for Pro-Series is  Hard Disk Drive (HDD) with at least 4GB available