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**Installation process** Step 1:Move the mouse to this icon,double-click the right mouse button to start installation; ![](https://box.kancloud.cn/417b0965baf97405597f7f887076803d_90x77.png) Step 2:Select the language in demand,if you need Chinese click “OK”directly; ![](https://box.kancloud.cn/f919774f2284834f64bcedd14a39791b_305x168.png) Step 3:Click the “Next”; ![](https://box.kancloud.cn/bf5b7fbd40d687ab9ae4388a922ff74a_513x398.png) Step 4:Don’t change the path,click “Next”; ![](https://box.kancloud.cn/5eaa6ae2b6b29693b309ef1457f8e2cb_511x396.png) Step 5:Click the “Next” again; ![](https://box.kancloud.cn/acd03c4c2183e9ba8c6857f16e68f57b_509x399.png) Step 6:Click the “Install”; ![](https://box.kancloud.cn/e1190c4a91d459b9d27e43def3381cca_506x398.png) Step 7:Start to install,waiting to finish the progress bar; ![](https://box.kancloud.cn/8ee2c93e63bd6a3e8c01450a1b2e305d_512x398.png) Step 8:Click the “Finish”, at this point three windows will pop up, if you don't need to view Readme or visit product web site, you can cancel the three ticks and then click “Finish". ![](https://box.kancloud.cn/a62987a37658b4bd4ba58d50eff84f4a_510x395.png) In the case where the box in front of “Launch RT809H" has a tick,the driver will be installed automatically; If you cancelled all the ticks, clicking “Finish” is OK, the driver also will be installed automatically when you open the RT809H icon on the desktop at first time. ***** **Automatic installation driver process:** Click “OK" ![](https://box.kancloud.cn/53ac1e1ed92d344a608159b63e1f1ec0_494x197.png) Two black frames flashed and quickly disappeared, that is a normal phenomenon. ![](https://box.kancloud.cn/caa2350296a0fbe3e3c795699ba34e35_673x443.png) **RT809H software main interface** RT809H programmer is not connected: ![](https://box.kancloud.cn/d87c55d5f112afef50210dbc332792ee_705x624.png) RT809H programmer is connected: ![](https://box.kancloud.cn/c85cfdb19baff5affc1fb24dcc44d8c8_702x627.png) **The serial number is the important document of technical support and warranty. Please do not leak, properly kept.**