Installed Win10 x64 on Mac OS but only have basic graphics drivr

[KayJay18]

Hi I just installed Windows 10 64 bit onto a 2015 Core I5 Imac (possibly pro) . The installation went well but graphis are very jerky due to there being a basic graphics adapter installed in device manager. How can I rectify this please?

[macandroid]

Install Virtual Box Guest additions.

When the VM is running, move to the top of the screen and click on Machine => Install Guest additions disk which results in opening a disk image with these tools. You will be guided and finally have to reboot the VM and then the graphics should work.

[KayJay18]

I can't see that option anywhere.

All I see when I click "Machine" is
- Settings
- Take Snapshot
- Session information
- Pause
- reset
- ACPI shutdown

[mpack]

See chapter 4 of the user manual. It's all in there.