How to modify Win7 file default save space + change Win7 default sound

First, modify the default save space of Win7 files In Win7, the file is saved in the C drive by default, so there is an obvious problem: once the system is reinstalled, these files will be wiped out. And it is too much trouble if you manually set the save location each time. So can you modify the default save space of the file? of course can! The method is as follows: Create a new folder on the D drive (or other drive), then the combination key "Win+E"; open “ explorer & rdquo;, click & ldquo; library & rdquo; & rarquo; & ldquo; document & rdquo; & rarr ; & ldquo; includes: N positions & rdquo;, in the pop-up window, click & ldquo; add & rdquo;, then select the new folder, click & ldquo; include folder & rdquo; At this point, the newly created folder has entered the library, right click on the folder, select “ set to the default save location & rdquo; In this way, the default save space of the Win7 file is modified. Second, change the default sound of Win7 Click the right mouse button, select "Personalization", select "Sound" in the lower right corner of the pop-up window, select a sound option in the "Program Events", for example, Windows< Br>Login the voice, then click “Browse”, choose your favorite voice. It should be noted that the sound file must be in WMV format