新装操作系统，64位，安装如上软件。
提示见附图。
出现这个问题与
4. Run MathCAD Prime 3.0. If program will not find license run Mathcad > Mathcad Options > License > License Configurations > File > Browse (browse to mathcad_license.dat) > Apply
没关系了吧。这一步不知道怎么操作。
1. Install MathCAD Prime 3.0 F000 64bit
2. Open mathcad_license.dat in any text editor and replace 00-00-00-00-00-00 in HOSTID=PTC_HOSTID=00-00-00-00-00-00 with your real hostid
3. Copy files "Ptc.License.Plpf.dll", "mathcad_license.dat" and folder "Engine 3 Support (x86)" to <Mathcad Prime 3.0 progdir> (by default C:\Program Files\PTC\Mathcad Prime 3.0\) and overwrite original ones
4. Run MathCAD Prime 3.0. If program will not find license run Mathcad > Mathcad Options > License > License Configurations > File > Browse (browse to mathcad_license.dat) > Apply
5. Enjoy
Cracked by Team-SolidSQUAD (SSQ)
谢谢

NET Framework 根据安装提示安装，还出现这个问题，不解啊。