# Important Links

- [Getting Support](/manager/important-links/getting-support.md): Contacting McGraw Hill for SIMnet help.
- [Lab Optimization Guide](/manager/important-links/getting-support/lab-optimization-guide.md): Lab optimization and best practices guide.
- [Common Student Issues](/manager/important-links/getting-support/common-student-issues.md)
- [Important Downloads](/manager/important-links/important-downloads.md): Download the first day of class PowerPoint and Admin Welcome Kit