Shops across England selling non-essential goods can welcome back customers on Monday for the first time in almost three months.
Retailers have had to introduce strict safety measures and the High Street experience will be very different to what shoppers are used to.
Amid fears about the health of the UK economy, getting a key part of the service sector running again is vital.
But retail experts warned shops were unlikely to see any immediate relief.
The unlocking comes as face coverings become compulsory when travelling on public transport in England from Monday. Children under the age of 11 will be exempt, and the rules might be waived for people who have a legitimate health reason for not wearing one.
Face coverings in shops will not be mandatory, with retailers hoping their introduction of an array of other safety measures will be sufficient.
Although food shops, pharmacies, banks and other