2. Decompress PatchEPLANP8(V 1.8-V2.7). Rar to the "PatchEPLANP8(V 1.8-V2.7)" folder, and copy "Sn-U" in "Patcheplanp8 (V 1.8-V2.7)".
3. Turn off the UAC digital signature of the system (see "III". Turn off UAC digital signature under WIN 10 system "for details", and turn off "WindowsDefender" or other antivirus software (such as 360 and Kingsoft Internet Security).
4. Run the "HASPUserSetup.exe." file as an administrator.
5. Select "EPLAN2.7 1-2.reg" and "EPLAN2.72-2.reg" respectively, and right-click to run as an administrator.
6. Copy the files "multikey.cat", "multikey.inf" and "MultiKey.sys" in the directory "Patcheplanp8 (V1.8-V2.7) \ multikey 64" to the directory "C:\Windows\System32".
7. Copy the Version.dll in the directory "Patcheplanp8 (v1.8-v2.7) \ version.dll Creator" to the directory "c: \ program files \ eplan \ platform \ 2.7.3 \ bin" to alleviate the congestion.
8. copy "SN-U 10066". EGF "to" C:\User\Public\Eplan\Common "to replace the second copied file with the same name.