After the installation, ZWCAD does not have a 30-day full functional trial period or even cannot start.
First of all, please ensure that the Vista system is up to date. And it is very important to login Windows as an administrator before installing ZWCAD, as other non-administrative accounts are not fully authorized to make necessary settings to Windows for ZWCAD. Of course, the available disk space should be adequate as specified.
After the installation completes, right-click the shortcut icon of ZWCAD on the Desktop and select “Run as administrator” to start ZWCAD (The next time you will be able to start ZWCAD by double-clicking the shortcut directly without right-clicking).
Perhaps you can also try the following way. Right-click the shortcut icon of ZWCAD on the Desktop and select Properties, choose the Compatibility tab in the ZWCAD Professional (or Standard) Properties dialog box, go to the Privilege Level section and check the “Run this program as an administrator” check box, and then click OK to confirm the setting. Now you can simply double-click the ZWCAD shortcut icon on the Desktop to start it.
With the settings above, ZWCAD can run normally with a 30-day full functional trial period granted automatically (if ZWCAD is installed for the first time). However, there might be some special cases where the solution above does not apply. A typical one occurs to users who are using ACER computers with an embeded security application “eDataSecurity” which will block ZWCAD from performing. In this case, please check the setting of the security application or contact its provider for special solutions.
You may like more posts about “operation system” on CAD forum:
1. ZWCAD+ 2012 system requirements
2. Does ZWCAD support Windows 2000 Operating System?
3. ZWCAD for Linux?
4. Using ZWCad on Mac