First, open the File Explorer using Windows + E hotkey and navigate to the section of the hard drive.
Now, right-click on a hard drive and then select the Configure Shadow Copies option from the right-click menu.
Next, in the Shadow Copies window, select the volume for which you want to allocate shadow copy storage and press the Settings button.
In the Settings window, select the volume and storage area to allocate maximum size.
After that, set the maximum size to "No limit" and press the OK button. If you want to set a particular size limit, click on the Use limit option and enter the size.