The forms on which you have to apply for indefinite leave to remain in the UK can be found on the GOV.uk website. This page will lead you through a series of questions about your immigration status and will tell you which form you need. The two main forms are listed below.
You can now choose an option using your keyboard (number keys or function keys). To start up in Safe Mode, press 4 or F4. To start up in Safe Mode with networking, press 5 or F5. To start up in Safe Mode with the Command Prompt, press 6 or F6. If you change your mind and decide you don't want to boot into Safe Mode after all, hit Enter to boot normally.
Getting To Safe Mode From Within Windows 8 or 10. You have a second option, however, this requires you to be booted into Windows already. Press the Win+R key combination and type msconfig in the run box and hit enter. Switch over to the boot tab, and click on the Safe Boot check box. You can also choose the type of Safe Mode you want to boot into: Minimal is normal safe mode. Alternate Shell is safe mode with command prompt.