第一步安装：执行.EXE文件，一直下一步，最后license选择没有USB什么的那个（具体记不清了）。
第二步破解：安装完成后在环境变量中将license路径指定到license文件即可（LM_LICENSE_FILE d:lsccdiamond3.7_x64licenselicense.dat;），不用改什么虚拟网卡啊什么的。
用如下内容的license：
FEATURE BASIC_ALL lattice 7.0 01-jan-9999 uncounted 0EC5CE7AE0DE
HOSTID=ANY
FEATURE LSC_STARTER lattice 7.0 01-jan-9999 uncounted 73224EA033EB
HOSTID=ANY
FEATURE LSC_BASE lattice 7.0 01-jan-9999 uncounted 9CE97753891C
HOSTID=ANY
FEATURE LSC_ANY_PAC lattice 7.0 01-jan-9999 uncounted DCF4E89B41D1
HOSTID=ANY
FEATURE LSC_PAC_STARTER lattice 7.0 01-jan-9999 uncounted
93096E4F2DD0 HOSTID=ANY
FEATURE LSC_PAC_SYSTEM lattice 7.0 01-jan-9999 uncounted BF10B454B18D
HOSTID=ANY
FEATURE LSC_DUMMY_FEATURE lattice 7.0 01-jan-9999 uncounted
A0265D023D6F HOSTID=ANY
FEATURE 0100 lattice 7.0 01-jan-9999 uncounted 841224FE9639
HOSTID=ANY
FEATURE 0200 lattice 7.0 01-jan-9999 uncounted C47123FB9538
HOSTID=ANY
FEATURE 0300 lattice 7.0 01-jan-9999 uncounted 9EF02EFCB437
HOSTID=ANY
FEATURE 0400 lattice 7.0 01-jan-9999 uncounted C4372DF99B2E
HOSTID=ANY
FEATURE LSC_ADVANCED lattice 8.0 01-jan-9999 uncounted 1C47C70A6ACA
HOSTID=ANY
FEATURE LSC_ADVANCED_DSP lattice 10.0 01-jan-9999 uncounted
CAA8BAA7C278 HOSTID=ANY
FEATURE LSC_ADVANCED_FLXMC lattice 10.0 01-jan-9999 uncounted
6B082DACDAA5 HOSTID=ANY
FEATURE LSC_ADVANCED_LSCDR lattice 10.0 01-jan-9999 uncounted
17865366C30E HOSTID=ANY
FEATURE LSC_ADVANCED_LTSSM lattice 10.0 01-jan-9999 uncounted
8B6A3666E0EA HOSTID=ANY
FEATURE LSC_ADVANCED_MCTL lattice 10.0 01-jan-9999 uncounted
7AF5C1DCD5B6 HOSTID=ANY
FEATURE LSC_ADVANCED_ORCA lattice 9.0 01-jan-9999 uncounted
9EA3C938B4C7 HOSTID=ANY
FEATURE LSC_ADVANCED_ORLI10G lattice 9.0 01-jan-9999 uncounted
0BB1D333EF42 HOSTID=ANY
FEATURE LSC_ADVANCED_ORSO42G5 lattice 9.0 01-jan-9999 uncounted
AB9147E09AC1 HOSTID=ANY
FEATURE LSC_ADVANCED_ORSO82G5 lattice 9.0 01-jan-9999 uncounted
B37D4BDCA6C5 HOSTID=ANY
FEATURE LSC_ADVANCED_ORSPI4 lattice 10.0 01-jan-9999 uncounted
BC81D9589AFD HOSTID=ANY
FEATURE LSC_ADVANCED_ORT42G5 lattice 9.0 01-jan-9999 uncounted
A8267218E893 HOSTID=ANY
FEATURE LSC_ADVANCED_ORT82G5 lattice 9.0 01-jan-9999 uncounted
901A5E24E897 HOSTID=ANY
FEATURE LSC_ADVANCED_ORT8850 lattice 9.0 01-jan-9999 uncounted
2645BEDC38F6 HOSTID=ANY
FEATURE LSC_ADVANCED_PCI lattice 10.0 01-jan-9999 uncounted
28737B9BA88B HOSTID=ANY
FEATURE LSC_ADVANCED_PCI_MACO lattice 10.0 01-jan-9999 uncounted
2C481E792E16 HOSTID=ANY
FEATURE LSC_ADVANCED_PLUS lattice 8.0 01-jan-9999 uncounted
5D3951FEC095 HOSTID=ANY
FEATURE LSC_ADVANCED_SPI4 lattice 10.0 01-jan-9999 uncounted
A3823192B587 HOSTID=ANY
FEATURE LSC_ADVANCED_SPI4_25LLM0 lattice 10.0 01-jan-9999 uncounted
738E4582A946 HOSTID=ANY
FEATURE LSC_CLASSIC lattice 10.0 01-jan-9999 uncounted 275097B247D1
HOSTID=ANY
FEATURE LSC_DIAMOND_A lattice 10.0 01-jan-9999 uncounted 4AAED9D8068E
HOSTID=ANY
FEATURE LSC_SYNPLIFY lattice 10.000 1-jan-9999 uncounted 8E52C4F86F30
HOSTID=ANY
FEATURE LSC_SYNPLIFYPRO1 lattice 10.000 1-jan-9999 uncounted
411DD7556BA8 HOSTID=ANY
FEATURE LSC_WARRANTY lattice 10.000 1-dec-9999 uncounted F4620A8B6EA0
HOSTID=ANY
FEATURE LSC_CONTROL_INCFLOW lattice 10.000 1-dec-9999 uncounted
31EC2B26739A HOSTID=ANY
FEATURE LSC_IP_fir_comp_e3_ipe lattice 10.000 31-dec-2025 uncounted
3152599ADCC0 HOSTID=ANY
FEATURE LSC_IP_fir_comp_pm_ipe lattice 10.000 31-dec-2025 uncounted
B7EFE0974E39 HOSTID=ANY
FEATURE LSC_IP_fir_comp_x2_ipe lattice 10.000 31-dec-2025 uncounted
67F56168DBE8 HOSTID=ANY
FEATURE LSC_IP_tri_sdi_e3_ipe lattice 10.000 31-dec-2025 uncounted
F8A64B04F058 HOSTID=ANY
FEATURE LSC_IP_nco_dds_x2_ipe lattice 10.000 31-dec-2025 uncounted
C1AA8E1D7667 HOSTID=ANY
FEATURE LSC_IP_nco_dds_e3_ipe lattice 10.000 31-dec-2025 uncounted
9B026E1CD069 HOSTID=ANY
FEATURE LSC_IP_nco_dds_pm_ipe lattice 10.000 31-dec-2025 uncounted
A634E3068684 HOSTID=ANY
FEATURE LSC_IP_cic_filtr_x2_ipe lattice 10.000 31-dec-2025 uncounted
5B57318F70B9 HOSTID=ANY
FEATURE LSC_IP_ts_mac_e3_ipe lattice 10.0 31-dec-2025 uncounted
61EB65B1A0D2 HOSTID=ANY
FEATURE LSC_IP_ts_mac_pm_ipe lattice 10.0 31-dec-2025 uncounted
D20AAE91B0E8 HOSTID=ANY
FEATURE LSC_IP_ts_mac_x2_ipe lattice 10.0 31-dec-2025 uncounted
5B995171A8CD HOSTID=ANY
FEATURE LSC_IP_ddr2_p_pm_ipe lattice 10.0 31-dec-2025 uncounted
B40D56D40196 HOSTID=ANY
FEATURE LSC_IP_ddr2_p_x2_ipe lattice 10.0 31-dec-2025 uncounted
40B2EFD40975 HOSTID=ANY
FEATURE LSC_IP_ddr2_p_e3_ipe lattice 10.0 31-dec-2025 uncounted
593E07CC1180 HOSTID=ANY
FEATURE LSC_IP_ddr_p_pm_ipe lattice 10.0 31-dec-2025 uncounted
79B8888680FF HOSTID=ANY
FEATURE LSC_IP_ddr_p_x2_ipe lattice 10.0 31-dec-2025 uncounted
891CE3B07807 HOSTID=ANY
FEATURE LSC_IP_ddr_p_e3_ipe lattice 10.0 31-dec-2025 uncounted
D659459B93EC HOSTID=ANY
FEATURE LSC_IP_pci_t32_e3_ipe lattice 10.0 31-dec-2025 uncounted
AB5CF3E89F26 HOSTID=ANY
FEATURE LSC_IP_pci_mt32_e3_ipe lattice 10.0 31-dec-2025 uncounted
9C75314C842C HOSTID=ANY
FEATURE LSC_IP_pci_t64_e3_ipe lattice 10.0 31-dec-2025 uncounted
21E7F1ED7D2E HOSTID=ANY
FEATURE LSC_IP_pci_mt64_e3_ipe lattice 10.0 31-dec-2025 uncounted
F98938497F31 HOSTID=ANY
FEATURE LSC_IP_edge_det_x2_ipe lattice 10.0 31-dec-2025 uncounted
2E22250B008C HOSTID=ANY
FEATURE LSC_IP_edge_det_e3_ipe lattice 10.0 31-dec-2025 uncounted
C623531BFD9E HOSTID=ANY
FEATURE LSC_IP_csc_x2_ipe lattice 10.0 31-dec-2025 uncounted
666536384764 HOSTID=ANY
FEATURE LSC_IP_sgmii_e3_ipe lattice 10.0 31-dec-2025 uncounted
DCD0672C4833 HOSTID=ANY
FEATURE LSC_IP_pcie_x1_e3_ipe lattice 10.0 31-dec-2025 uncounted
307A9A056686 HOSTID=ANY
FEATURE LSC_IP_pcie_x4_e3_ipe lattice 10.0 31-dec-2025 uncounted
A940A1006389 HOSTID=ANY
FEATURE LSC_IP_ddr3_p_e3_ipe lattice 10.0 31-dec-2025 uncounted
80BEE8D6FE76 HOSTID=ANY
FEATURE LSC_IP_scaler_e3_ipe lattice 10.0 31-dec-2025 uncounted
44335B509C22 HOSTID=ANY
FEATURE LSC_IP_scaler_x2_ipe lattice 10.0 31-dec-2025 uncounted
34658B6C9425 HOSTID=ANY
FEATURE LSC_IP_divide_e3_ipe lattice 10.0 31-dec-2025 uncounted
003943ABF469 HOSTID=ANY
FEATURE LSC_IP_divide_x2_ipe lattice 10.0 31-dec-2025 uncounted
8BC9A567EC6E HOSTID=ANY
FEATURE ACTIVEHDL_LIC_NUMBER ALDEC 2014.0500 6-may-2014 uncounted
846C8F32A823 VENDOR_STRING=25412 HOSTID=f0def10a5abe
SIGN2="005E 9EDC 0379 C3BA E9F1 2FBB BC19 2800 837C 2F73 CBBD
A020 B6C8 61DA 1518"
FEATURE ACTIVEHDL_LATTICE_MIX_LT ALDEC 2014.0500 6-may-2014 uncounted
6188D2E8F535 VENDOR_STRING=25412 HOSTID=f0def10a5abe
SIGN2="0038 73F2 1444 8C29 1329 667A 40F4 1A00 87C5 5ED3 8BA0
607D 6BA7 FF66 8324"
INCREMENT SSST snpslmd 1.0 06-Aug-2013 uncounted 5E40AE66DE224B155B93
VENDOR_STRING="22fdb ded7f 205fb fc191 ede96 b96f7 40c19 1ede9 6b96f 74011
01020 0963b eae9b 3db77 9fea2 342f8 9e29f 30fd4 d4a12 f199c
3520c 72e28 6534c a243a dfd33 b95f7 ac1b9 149d0 35264 27b7a
db0d3 2bd50 85b88 0228a 835e0 2659a 8ae71 6e4c4 415a0 0c5c5
38034 1f532 8750e 95a1d ae4eb 8338f 3f03d 43913 8fb1b 5977f
42283 c6f6c be3f7 caded 9249a 7b66d fafe1 e3431 5d0ca e7129
1c6df 12108 17608 cf969 c9c63 9f4be 9305f e2dc9 4b5c8 b448d
a0041 46bf1 a3660 0b61a a0a41 f3dd8 a7126 0698c 9dd35 5a22c
40ab0 cdf49 7c042 d4257 6d65f 84ab1 30aef 61f3e a1863 d277b
0065d 8ed33 d8744 53ae8 d3376 326fa 1000b 70682 c8b0a 33b5c
65e9e 59abd ccdcb 307ad fb505 09d59 2b28d 3858c 077d5 1f25a
96102 ce4a5 daceb c29"
NOTICE="Licensed to Lattice Semiconductor Corp - OEM [DO NOT DELETE/MODIFY
SSST OR ANY OTHER KEYS IN THIS FILE]"
SN=TK:0:0:0 ISSUER="Synopsys, Inc. [8/6/2012 23:40:17 26232]"
START=06-Aug-2012 HOSTID=f0def10a5abe
INCREMENT synplifypro_sbt snpslmd 2012.03 06-aug-2013 uncounted
5E406E76E033314007B5 HOSTID=f0def10a5abe ISSUED=06-aug-2012
ck=9 SN=TK:7978-0:477717:971792 START=06-aug-2012
INCREMENT synplifypro_sbt synplctyd 2012.03 06-aug-2013 uncounted
CE504E066725FBE63F4B VENDOR_STRING=sbt,nl HOSTID=f0def10a5abe
ISSUED=06-aug-2012 ck=73 SN=TK:7978-0:477718:785300 SIGN="00C2
313A F357 C569 2964 6202 9496 7BE9 A57B CB31 8202 EB25 89BB
D84C 6714 6456 C54E B9DB 9D62 3B2F 5B18"