how do I properly design my investment portfolio for a 5-10 years horizon?

Desired Asset allocation: 22/30/33/15 or 90/10 my main idea was to implement Total World All Cap (IWDA + EIMI + WSML) ; however I was thinking about chaning to AVDV Avantis International Small Cap Value ETF OCF 0.36% instead of WSML , then I was also thinking into adding some alternatives I would like to get some responses how to properly implement the following asset classses into my portfolio

CORE EQUITY 22% CORE FIXED INCOME 30% DIVERSIFIERS 33% ALTERNATIVES 15%

Current assets:

debt account A

31,864 => 11.44%

debt account B

20,773 => 7.46%

IBKR

25,875.92 into IWDA iShares Core MSCI World UCITS ETF OCF 0.20% => 9.29 %

market money

200,000 => 71.81 %

Portfolio size: 279k