Instructions
Practice chess frequently. Elo ratings are based on wins, and wins can be gained through practice and familiarity with the game.
Examine famous matches. Studying strategies of famous players can help increase win percentages and consequently increase your Elo rating.
Play against opponents with higher Elo ratings. Higher differences in Elo ratings will result in a larger increases in ratings. Practicing against stronger opponents will also provide valuable insight to the game. Losing against stronger opponents will also decrease your score less than losing to opponents with similar or lower ratings.