Related Clues:

• Recruit; register
• Set up home close to Boris? Unlikely
• Ensconce
• Establish where choirboy might stand in church?
• Set up for use, like apps
• Record group of men roller-skating
• Record single back around number four in chart
• Register for a course, eg
• Left follows Soviet leader in shifting to far left position
• Load and set up (software) for use