1、到官方下载WinRAR 3.71 http://www.rarlab.com/rar/wrar371sc.exe

2、将下列注册码复制到记事本中，另存为rarreg.key（或则rarreg.reg ）文件，然后将rarreg.key（或则rarreg.reg ）文件复制到WinRAR 安装目录（默认安装目录是C:\\Program Files\\WinRAR）即可。
引用:
RAR registration data
Roland Geister
2 PC usage license
UID=35d377df3f9109c0cf98
6412212250cf98ba909aa421df59c2d9bfc2c56fe441d634efdebd
b34590837e4f735ccf2160ad3921ca0a4618e1028035530675182a
9455738d54a57e0ab2d29c2cf0c09f37ac90929aab3444e12e34a2
36753ff101333ca3b035205e5fe287ab57600a54c3dee94d01de64
c598977c4565bc9cfce96f7199d75c1fd8170352555cf8d930f52b
4ccfcc9995943805965eeb92f6adb9fd9d032c1e77e51ffc60e607
4fed6a1f6e6cc09f1a5773bbc9c878366f5a20ffcae94083722782
或
引用:
RAR registration data
cafevn
Single PC usage license
UID=bff246844b5c5708595a
6412212250595aa9dfb5db06ca5c5b29cb38d3c346df871e689fcd
26d40cd6724c7fea7a256035c6ab9048e2c5c62f0238f183d28519
aa87488bf38f5b634cf28190bdf438ac593b1857cdb55a7fcb0eb0
c3e4c2736090b3dfa45384e08e9de05c58601faaa5bf2fd204421a
0af4a66c04f5f95c750b942c262c8defc92d51753d37c41772b696
179d2401468afd8cdf6b526bd713b62d9d1c8b39f8f5c862600bd1
6f2be0ead43d89dc20da9c292bbc37165bb690729a430802790431