Text: add and remove users, set up groups, and add security options like 2-step verification and sso.

Correct capitalization: Add and remove users, set up groups, and add security options like 2-step verification and SSO.

Text: round 5: work 1 dc in each of the first 5 dc, 2 dc in each if the next 2 dc, 1 dc in each of the next 5 dc = 14 dc.

Correct capitalization: ROUND 5: Work 1 dc in each of the first 5 dc, 2 dc in each if the next 2 dc, 1 dc in each of the next 5 dc = 14 dc.

Text: again: follow the manufacturer's instructions on the fertiliser packaging!

Correct capitalization: Again: Follow the manufacturer's instructions on the fertiliser packaging!

Text: uninstallation: as dll files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, uiautomationprovider.ni.dll may be mistakenly deleted.

Correct capitalization:
Uninstallation: As DLL files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, UIAutomationProvider.ni.dll may be mistakenly deleted.