Nearly 4 million undeterred Afghans overcame a number of security incidents and problems with voting machines to choose their members of parliament.
Nearly 9 million Afghans have registered to vote to decide who will occupy the 249 seats for next Wolesi Jirga.
More than 50,000 security forces have been deployed to ensure voters can exercise their democratic right during Saturday's election.
The public military display is meant to assure the Afghan public of security preparations ahead of Saturday's parliamentary elections, officials say.
The month-long exercises are aimed to ensure the security of election sites for the long-delayed parliamentary polls set to take place next Saturday (October 20).
Each voter can only choose one candidate, but finding them on Kabul's giant ballot paper, which is roughly the size of a tabloid newspaper, could be time-consuming.
'I will either die or vote,' said one man interviewed.
Many observers conclude that the Taliban are averse to the idea of democracy because of their fear of the results, not because of its purported incompatibility with Islam.
The parliamentary vote, scheduled for October 20, is seen as a test run for the 2019 presidential election and a milestone in the development of Afghanistan's democratic processes.
The Defence Ministry is working alongside the Interior Ministry, National Directorate of Security and other security agencies to implement the election security plan.
Pakistani prime minister-elect Imran Khan in his election victory speech vowed to improve relations with Afghanistan with an emphasis on open borders and free trade.
The UN Security Council singled out the Taliban and ISIS as those resorting to violence to obstruct the polls scheduled for October 20.