Investing in Exchange-Traded Funds (ETFs) in Singapore can be a straightforward process. Here's a step-by-step guide to help you get started:

1. Understand ETFs: Familiarize yourself with the concept of ETFs. ETFs are investment funds that trade on stock exchanges, and they aim to replicate the performance of a specific index, sector, or asset class.
2. Research and select an ETF: Determine your investment goals and risk tolerance. Conduct thorough research on different ETFs available in Singapore. Look for ETFs that align with your investment objectives, such as broad market index ETFs, sector-specific ETFs, or geographically focused ETFs.
3. Open a brokerage account: To invest in ETFs, you'll need a brokerage account. Choose a reputable brokerage firm in Singapore that offers access to ETFs. Some popular brokerage options in Singapore include DBS Vickers, OCBC Securities, and Phillip Securities.
4. Complete the account opening process: Follow the instructions provided by the chosen brokerage firm to open an account. This typically involves providing personal information, identification documents, and funding your account.
5. Fund your brokerage account: Transfer funds into your brokerage account to have capital available for investing in ETFs. This can typically be done through electronic funds transfer or other specified methods provided by the brokerage.
6. Research ETFs further: Refine your ETF selection based on your research and due diligence. Consider factors like expense ratios, historical performance, tracking error, liquidity, and the fund manager's reputation. Compare multiple ETFs within the same category to make an informed decision.
7. Place an order: Once you have selected the ETF you wish to invest in, log in to your brokerage account and place an order. Specify the number of shares or the dollar amount you want to invest. Choose the appropriate order type, such as market order (executes immediately at the prevailing market price) or limit order (sets a maximum purchase price).
8. Monitor your investments: After purchasing ETFs, keep track of their performance and stay updated on market news and trends. Regularly review your portfolio to ensure it aligns with your investment strategy and make any necessary adjustments.
9. Consider a regular investment plan: If you prefer a systematic approach, some brokerages offer regular investment plans (RIPs) for ETFs. RIPs allow you to invest a fixed amount on a monthly basis, enabling you to take advantage of dollar-cost averaging and reduce the impact of market volatility.
10. Review and rebalance: Periodically assess your investment portfolio and consider rebalancing if necessary. Rebalancing involves adjusting your holdings to maintain the desired asset allocation based on your risk tolerance and investment goals.

Remember, investing in ETFs carries risks, and it's important to do your own research or seek professional financial advice before making any investment decisions.