How to download and setup GNS3 for CISCO LAB

ok i have follow your step but why my gns3 have not filter router, switch, vpc, and other default??

ជម្រាបសួរលោកគ្រូកន្លែងក្នុង GNS3 ខ្ញុំបាត់មិនឃើញថាតើ GNS3VM Local នឹង active or not ផង
ធ្វើម៉ិចបានវា Show វិញទៅ​😪

Cannot load the GNS3 VM settings in the preferences dialog: not connected to the controller
Cannot load the IOU license in the preferences dialog: not connected to the controller, how can i fix it

i followed your video but not work

Do you know how to configure NS 300 pabx

Thanks for sharing this! It is so interesting networking lesson.