TP-LINK TL-WN821N Driver Download

TP-LINK Drivers

The TL-WN821N is a network device manufactured by TP-LINK. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "TL-WN821N_V4_140918.zip" is rated (4 out of 5 stars) based on 596 downloads and 4 reviews. It is compatible with PCs running Windows 8, Windows 7, Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 6.4 MB.

4 Ratings
596 Downloads

Supported Models

TL-WN821N

Manufacturers

TP-LINK

Supported Operating Systems

Windows 8.1, Windows 8.1 (64 bit), Windows 8, Windows 8 (64 bit), Windows 7, Windows 7 (64 bit), Windows Vista, Windows Vista (64 bit), Windows XP

File Name

Versions

1.00 (18-Sep-2014)

Additional Notes

Wireless USB Adapter Driver File

Uploaded By

Sharmila (DG Staff Member) on 19-Oct-2017

How to Update TL-WN821N Device Drivers

Step 1 - Download Your Driver

To get the TL-WN821N driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter TP-LINK TL-WN821N into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the TP-LINK Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the TP-LINK website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:

  1. Access the Quick Access menu by right-clicking the Start button.

  2. From the menu options, choose "Device Manager".

  3. Within Device Manager, identify the device requiring the driver update.

  4. Open the context menu for the device by right-clicking its name.

  5. Select "Update driver" and proceed through the guided installation.

To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.

Regular driver updates contribute to optimal system performance and hardware compatibility.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
TL-WN821N_V4_140918/Release Note.txt 81 bytes 23 Dec 2014
TL-WN821N_V4_140918/Windows 7 32bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 7 32bit/net8192cu.inf 16.2 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 7 32bit/rtl8192cu.sys 801.9 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 7 64bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 7 64bit/net8192cu.inf 16.2 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 7 64bit/rtl8192cu.sys 926.8 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows 8 32bit/netrtwlanu.cat 9.9 KB 21 Jun 2013
TL-WN821N_V4_140918/Windows 8 32bit/netrtwlanu.inf 38.5 KB 19 Mar 2013
TL-WN821N_V4_140918/Windows 8 32bit/rtwlanu.sys 1.4 MB 6 Dec 2012
TL-WN821N_V4_140918/Windows 8 64bit/netrtwlanu.cat 9.9 KB 21 Jun 2013
TL-WN821N_V4_140918/Windows 8 64bit/netrtwlanu.inf 36.4 KB 19 Mar 2013
TL-WN821N_V4_140918/Windows 8 64bit/rtwlanu.sys 1.6 MB 6 Dec 2012
TL-WN821N_V4_140918/Windows 8.1 32bit/netrtwlanu.cat 10.0 KB 19 Aug 2014
TL-WN821N_V4_140918/Windows 8.1 32bit/netrtwlanu.inf 121.5 KB 16 Jul 2014
TL-WN821N_V4_140918/Windows 8.1 32bit/rtlCoInst.dat 8.3 KB 14 Jan 2014
TL-WN821N_V4_140918/Windows 8.1 32bit/rtlCoInst.dll 18.1 KB 14 Jan 2014
TL-WN821N_V4_140918/Windows 8.1 32bit/rtwlanu.sys 2.6 MB 26 Mar 2014
TL-WN821N_V4_140918/Windows 8.1 64bit/netrtwlanu.cat 10.0 KB 19 Aug 2014
TL-WN821N_V4_140918/Windows 8.1 64bit/netrtwlanu.inf 118.5 KB 11 Apr 2014
TL-WN821N_V4_140918/Windows 8.1 64bit/rtlCoInst.dat 8.3 KB 14 Jan 2014
TL-WN821N_V4_140918/Windows 8.1 64bit/rtlCoInst.dll 21.7 KB 14 Jan 2014
TL-WN821N_V4_140918/Windows 8.1 64bit/rtwlanu.sys 3.0 MB 16 Jan 2014
TL-WN821N_V4_140918/Windows Vista 32bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows Vista 32bit/net8192cu.inf 14.8 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows Vista 32bit/rtl8192cu.sys 764.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows Vista 64bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows Vista 64bit/net8192cu.inf 14.8 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows Vista 64bit/rtl8192cu.sys 882.8 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 32bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 32bit/net8192cu.inf 14.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 32bit/rtl8192cu.sys 1.1 MB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 64bit/net8192cu.cat 7.5 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 64bit/net8192cu.inf 14.4 KB 13 Mar 2013
TL-WN821N_V4_140918/Windows XP 64bit/rtl8192cu.sys 1.1 MB 13 Mar 2013
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