How to clean up garbage in Windows 7

In Windows 7, there are two main places where the junk files are stored: one is in a folder and the other is stored in the registry. 1. The spam in the folder is: (Suppose Windows is installed on drive C, such as replacing letters in other partitions) 1. The Spam in "My Documents" is placed in C: \ Windows \ Recent folder; 2. Place the installation program and temporary files generated during file editing in the c: \ windows \ temp folder; 3. When deleting a file, the Windows 7 junk file in the recycle bin is stored in two main places: one in a folder and the other in the registry. 1. The spam in the folder is: (Suppose Windows is installed on drive C, such as replacing letters in other partitions) 1. The Spam in "My Documents" is placed in C: \ Windows \ Recent folder; 2. Place the installation program and temporary files generated during file editing in the c: \ windows \ temp folder; 3. When deleting a file, the items that are thrown into the recycle bin are stored in the C: \ RECYCLED folder (hidden folder). 4. When you browse the website online, Windows will be in the C: in the \ WINDOWS \ History and C: \ Windows \ Temporary Internet Files folders, save the web pages you have viewed. 5. If you have logged on to the folder, Microsoft retains cookies, these are stored in C: \ WINDOWS \ Cookies. 2. garbage in the Registry: in Windows, the Registry is a complex information database that records 32-bit driver settings and locations. When the operating system needs to access the hardware device, it uses the driver, and even the device is a BIOS-supported device. Drivers are required when devices without BIOS support are installed. Drivers are independent of the operating system, but the operating system needs to know where to find them, file names, version numbers, other settings, and information, devices cannot be used without the registry record. Windows has been used for a long time, and the registry is frequently read, leaving a variety of residual information, for example, missing shared DLL files, unused file extensions, type libraries, fonts, application paths, help files, and obsolete software are all in the registry! However, we 'd better not manually delete the residual information to avoid system problems caused by accidental deletion. We recommend that you use professional cleanup tools for scanning and cleanup.