此电脑下的“视频、文档、音乐“等文件夹，这些除了桌面其它都不常用，可以通过修改注册表删除。
按下win+r，输入regedit回车，打开注册表。
删除此电脑下面的文件夹：
然后在导航栏里输入：
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace
说明：
下载{088e3905-0323-4b02-9826-5d99428e115f}
图片{24ad3ad4-a569-4530-98e1-ab02f9417aa8}
音乐{3dfdf296-dbec-4fb4-81d1-6a3438bcf4de}
文档{d3162b92-9365-467a-956b-92703aca08af}
视频{f86fa3ab-70d2-4fc7-9c99-fcbf05467f3a}
桌面{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}
3D对象{0DB7E03F-FC29-4DC6-9020-FF41B59E513A}删除另存为里的文件夹
3D对象
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{31C0DD25-9439-4F12-BF41-7FF4EDA38722}\PropertyBag]
"ThisPCPolicy"="Hide"
视频
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{35286a68-3c57-41a1-bbb1-0eae73d76c95}\PropertyBag]
"ThisPCPolicy"="Hide"
图片
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{0ddd015d-b06c-45d5-8c4c-f59713854639}\PropertyBag]
"ThisPCPolicy"="Hide"
文档
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{f42ee2d3-909f-4907-8871-4c22fc0bf756}\PropertyBag]
"ThisPCPolicy"="Hide"
下载
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{7d83ee9b-2244-4e70-b1f5-5393042af1e4}\PropertyBag]
"ThisPCPolicy"="Hide"
音乐
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{a0c69a99-21c8-4671-8703-7934162fcf1d}\PropertyBag]
"ThisPCPolicy"="Hide"
桌面
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\PropertyBag]
"ThisPCPolicy"="Hide"